CRW wheels Return - Will they pass the test this time?

Peak Torque
28 Jul 202416:58

Summary

TLDRビデオスクリプトは、CRW 5060ホイールのレビューとその改良点について説明しています。レビューアーは、ホイールの軽量で深いプロファイル、表面仕上げ、剛性、エアロダイナミクスに満足していますが、フロントハブの轴承配置やホイールの剛性に問題を感じています。CRWは問題に対処し、改良を行いました。現在は、より洗練された製品となっており、価格も合理的と評価されています。エアロダイナミクスのテストでは、他のホイールと比較して高速であることが示されていますが、ヘルメットの変更による影響の方が大きいと指摘されています。

Takeaways

  • 🚴‍♂️ ビデオはCRW 5060ホイールについてのもので、Panda PodiumのJoeから送られたと紹介されています。
  • 🆓 ホイールは無料で評価のために送られたものの、その事実はビデオで明かされています。
  • 📈 以前のホイールは軽量ながらも印象的ではなかったと評価されており、改良が必要だと指摘されています。
  • 🔧 前ホイールのハブのクンクンという問題がありましたが、CRWは問題を認識し、新しいエンドキャップを送って解決策を提供しました。
  • 💡 CRWは改良を行い、新しいホイールは水密性の向上やエンドキャップの改善など細部が向上しています。
  • 🚲 テストされたホイールは、前ホイールが25mm、後ホイールが21mmの内部幅を有しており、太いタイヤの使用が推奨されています。
  • 💰 価格は高価ですが、ホイールの性能と比較すると合理的と評価されています。
  • 🔩 ホイールのスポークテンションやハブの問題は解決されており、現在は問題なく使用できます。
  • 📊 剛性テストでは、前ホイールが後ホイールよりも剛性が低いことが示されていますが、これは道路の不平整さに適しているとされています。
  • 🌐 エアロダイナミクスのテストでは、他のホイールと比べてCRWホイールが最も高速であることが示されていますが、その差はhelmの変更による影響よりも小さいとされています。

Q & A

  • CRW ホイールのブランドについて教えてください。

    -CRWは、ドイツと中国で販売されている小さなホイールブランドです。

  • このビデオでレビューされているCRWホイールのモデルは何ですか?

    -このビデオではCRW 5060ホイールについて紹介されています。

  • レビューアーはCRWホイールの初期モデルにどの問題がありましたか?

    -初期モデルでは、フロントハブのstub axle layoutやクランチングの問題、そして後方のハブの轴承が水没して故障するという問題がありました。

  • CRWは初期モデルの問題にどのように対応しましたか?

    -CRWはエンドキャップのサイズを調整し、許容範囲を改善し、新しいエンドキャップを送りました。また、フロントハブのクランチングの問題についても修正を行いました。

  • レビューアーはCRWホイールの価格についてどう思っていますか?

    -レビューアーは、ホイールが高価であるにも関わらず問題があったと感じており、その点に不満を持っています。

  • CRWホイールの新モデルは旧モデルと比べてどのような改善が施されていますか?

    -新モデルでは、エンドキャップの密閉性が向上し、天候保護グレースが施され、ホイールの外観と性能が向上しています。

  • レビューアーはホイールのスポークテンションについてどう言及していますか?

    -レビューアーは、スポークテンションのデータが気にならないという点に触れており、ホイールが真っ直ぐであることだけが重要だと述べています。

  • CRWホイールのエアロダイナミクス性能は他のホイールと比べてどうですか?

    -レビューアーは、CRWホイールが他のホイールと比べて最も高速であると言及していますが、ヘルメットの変更による影響の方がはるかに大きいと述べています。

  • レビューアーはCRWホイールの重量についてどう思っていますか?

    -レビューアーは、CRWホイールがclaimed weightを超えており、その点で不満を持っていると述べています。

  • レビューアーはCRWホイールの購入を推奨していますか?

    -レビューアーは、製品が修正されるまでアフィリエイトコードやリンクを提供しないというスタンスを示しており、製品の改善が見られるまで購入を推奨しておらず、製品の良し悪しを公正に評価しています。

Outlines

00:00

🔧 CRW 5060 ホイールの評価とレビュー

この段落では、CRW 5060 ホイールについて紹介しており、レビューアーはこのホイールを無料で評価するように依頼されました。CRWは小さなホイールブランドで、ドイツと中国で販売されています。レビューアーは、以前のホイールがあまり印象的ではなかったにもかかわらず、冬を通じて使用していました。新しいホイールは同じプロファイルで発売されましたが、いくつかの改善点が見受けられます。レビューアーは、問題があればそれを伝え、問題が解決されるまでアフィリエイトコードやリンクを提供しないというスタンスを示しています。また、ホイールのフロントハブのクランク問題や、クランクのサイズやホイールのスペックについても触れています。

05:02

🚴‍♂️ CRW ホイールの改良点と性能

この段落では、CRW ホイールの改良点について説明しています。エンドキャップの下に天候に強いグリスが塗布されている点や、ダブルラビリンスシールが搭載されている点が挙げられます。また、ホイールの形状やスポークの太さについても触れられています。レビューアーは、フロントホイールとリアホイールのスポークの角度の違いや、ホイールの剛性についても議論しており、CRWが独自のロックリングを作成した点も紹介されています。ホイールの剛性テストの結果や、ホイールの価格やホイールテープの品質についても述べています。

10:03

📏 CRW ホイールの精度と重量の評価

この段落では、CRW ホイールの精度と重量について述べています。レビューアーは、ホイールのテスト方法や、ホイールの剛性や重量について詳細に説明しています。ホイールのフロントホイールとリアホイールの剛性の違いや、ホイールの重量がclaimed weightを超えている点についても触れられています。また、ホイールの精度テストの結果や、ホイールの真円度のテストについても紹介されています。レビューアーは、これらのホイールが他のホイールと比較して最も高速であると述べていますが、ヘルメットの変更による影響の方がそれよりも大きいと指摘しています。

15:05

🏁 CRW ホイールの最終評価と使用経験

最後の段落では、CRW ホイールの最終的な評価と使用経験について述べています。レビューアーは、これらのホイールが完成度の高い製品であると評価しており、3ヶ月間使用してから信頼性があると感じています。ホイールのエアロダイナミクスのテスト結果や、他のホイールと比較した結果についても紹介されています。また、レビューアーは、これらのホイールがディスカブライクバイクのロードトレインホイールとして採用されていると述べています。最後に、レビューアーは、これらのホイールの購入リンクを提供し、ビデオの詳細な説明への感謝の意を示しています。

Mindmap

Keywords

💡CRW Wheels

CRW Wheelsは、ビデオの中心となる自転車ホイールブランドです。このブランドは、ドイツと中国で販売されており、Panda Podiumというウェブサイトを通じて提供されています。ビデオでは、その軽量性、深さ、そして仕様が評価されていますが、初期の製品には問題があったと述べられています。CRWは、その問題に対処し、改良されたホイールを提供しています。

💡Engineering Audit

engineering auditとは、製品の設計や性能を評価するプロセスを指します。ビデオでは、CRWホイールの構造や耐久性を詳細に分析し、問題点や改善点を見つけるためにengineering auditが行われています。これは、製品が期待される性能を達成しているかを確認するための重要なステップです。

💡Aerodynamics

エアロダイナミクスとは、物体が流体(一般には空気)の中で動くときの力学的な特性を研究する科学を指します。ビデオでは、CRWホイールのエアロダイナミック性能がテストされ、他のホイールと比較してどれだけ効率的なかが評価されています。エアロダイナミクスは、競技自転車競技で特に重要で、速度向上に寄与します。

💡Stiffness

stiffenは、物体が変形または曲がらないほど強靭であることを指します。ビデオでは、CRWホイールのstiffenが測定され、その性能が評価されています。ホイールのstiffenは、自転車のハンドリングやスピードに直接関係しており、競技自転車では非常に重要な性能指標です。

💡Spoke Tension

spoke tensionとは、自転車ホイールのスポークがどれだけ張り詰められているかを測る指標です。ビデオでは、CRWホイールのスポークテンションがチェックされ、ホイールの均衡と性能を保証するために適切なテンションが重要であることが強調されています。

💡Rim Tape

rim tapeとは、タイヤとホイールのリムとの間に貼り付けるテープで、振動吸収や空気漏れを防ぐ役割を果たします。ビデオでは、CRWホイールのrim tapeが評価されており、高品質のホイールには完璧なrim tapeが求められると指摘されています。

💡Truing

truingとは、自転車ホイールを回転させて歪みを修正するプロセスです。ビデオでは、CRWホイールのtruingが行われ、ホイールが真っ直ぐ回転するように調整されていることが重要であると説明されています。これは、ホイールの性能と寿命に影響を与える重要な手順です。

💡Axle

axleとは、車輪を繋げたり、回転を許可する部分を指します。ビデオでは、CRWホイールのaxle布局が問題視されており、その改良が行われていると報告されています。axleの性能は、ホイールの安全性と信頼性にとって不可欠です。

💡Labyrinth Seal

labyrinth sealとは、機械部品の内部から外部の汚れを防ぐための複雑な迷宫状のシールです。ビデオでは、CRWホイールのlabyrinth sealが評価されており、その Waterproof性能と耐久性が提到的优点されています。

💡Rolling Resistance

rolling resistanceとは、物体が地面上を転がるときに遭遇する抵抗を指します。ビデオでは、CRWホイールのrolling resistanceが他のホイールと比較して評価されており、低いrolling resistanceはホイールの効率性とスピードに寄与すると説明されています。

💡Disc Brake

disc brakeとは、ディスク形状の金属プレートにパッドを押し付けて止める力を生み出すブレーキシステムです。ビデオでは、CRWホイールがdisc brakebike向けに設計されているとされており、そのブレーキ性能が評価されています。

Highlights

CRW 5060 wheels are evaluated for performance and durability.

The review is conducted by a third party, ensuring unbiased feedback.

The original set of CRW wheels had issues but has since been improved.

The new CRW wheels feature better bearing arrangements and materials.

The front wheel's axle and bearing assembly has been redesigned to address previous issues.

The new end caps on the wheels are tighter, requiring tools to remove.

The rim profiles have been adjusted for improved performance.

The rear wheel now has a wider internal width for better tire performance.

The new wheels have a double labyrinth seal to keep out water and grit.

The review process includes a detailed stiffness test of the wheels.

The front wheel's stiffness is slightly lower due to the axle and bearing assembly.

The rear wheel is stiffer and has not shown any issues.

The wheels are not as stiff as some competitors, which may be beneficial for comfort.

The rim tape application on the new wheels is not up to standard.

The wheels are slightly over the claimed weight, but still impressive for their depth.

The front wheel had some runout, which is not ideal.

The wheels have been tested for aerodynamics and found to be the fastest among tested models.

The reviewer has been using the wheels extensively and is confident in their performance.

The reviewer discusses the importance of testing wheels under real-world conditions.

The review concludes that the CRW 5060 wheels are a refined product with good aerodynamics.

Transcripts

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all wheels of this kind of depth are

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more or less the same 3 two 1 so hi

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everyone we're back with crw wheels are

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we here to do another free engineering

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audit or can we just bolt them on and

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ride them on a bicycle let's find out so

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this video is going to be about the crw

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5060 wheels that Joe from Panda Podium

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has sent me uh via crw so crw are a

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small wheel brand in German and China

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sold through Joe's website full

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disclosure these were sent for free to

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evaluate I've still got the old ones and

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the old ones I think were pretty crap

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I've still used them I've used them

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through the winter now so let's just

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have a quick Legacy update on those

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before we look at the new ones which

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aren't new because they're actually

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launched at the same time as this

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profile but anyway the original set that

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I had had the 21 mm

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internal um with 50 55 on paper very

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very light very very deep for the for

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the weight ridiculous spec ridiculous

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specs but I wasn't very impressed they

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gave him a bit of a a telling

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off I don't want to obviously destroy

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any relationship with Joe I think he's

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doing a great job I think he's doing an

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absolutely gamechanging job in this

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Panda Podium approach but if you're

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going to send them to Peak talk you're

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going to get found

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out of course I could tell you this

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wheel set is great by unboxing it

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claiming I've ridden it for a couple of

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months and it's actually quite rewarding

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to get a good product put it through its

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Paces for a good couple of months treat

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it really hard which you can do when you

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don't buy you can absolutely thrash it

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helps create sales for the company

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company I could do the same with this I

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could tell you it's great it's a high

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price it's a high ticket item but this

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is where I'm trying to differentiate my

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channel from the others if there's a

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problem with something I will tell you

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and I'm not going to give any affiliate

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codes or any links or whatever until I

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believe this is sorted out and be wary

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of other YouTubers who seem to just

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basically do a review off the back of an

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unboxing which is something completely

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different but we need to fix this and

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yeah I didn't really agree with the stub

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axle layout of the front hub uh leg

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update on this rear hub and the bearings

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I'll just put it up to the

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microphone so some wet rides have killed

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those quasi ceramic bearings and they

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will be replaced with steel bearings

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this clunking issue with the front hub

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where the stub axles which is different

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to a normal front hub layout we're

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actually clunking in the in rases of the

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bearings cuz when I'm heavy when I'm

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what do you mean when I'm heavy when I

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get up out the saddle it's quite a lot

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of load over the front wheel and it was

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overcoming the friction between the

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little shoulder on the end cap and the

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inner race the side of the inner race

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essentially they're using this as the

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Hub axle and the Hub axle would normally

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be quite a tight press fit inside the

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inner race of the bearing this is too

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loose this diameter that is forming the

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axle what I call the stub axle is is

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very very loose in the in race of the

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bearing normally you'd hope the load

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path when this is all sandwiched in the

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bike frame by the through axle which is

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providing a large clamping load actually

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the load path should be from this tiny

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shoulder on the kind of inside here of

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the end cap and then onto the side of

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the inner race through the inner race

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and then to the tube spacer in the

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center of the two bearings and that

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should hold the load path that's fine

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and it does until you get out the saddle

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and you start leaning over the front

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wheel and then the friction between that

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tiny shoulder on the end cap and the

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edge of the in race is is overcome and

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then what starts to happen I was feeling

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this weird stick phenomenon and I was

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getting like a ticking that was

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vibrating up through the fork and even

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through the frame then it was starting

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to clunk around in the ID of the the in

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race of the bearing so crw uh you know

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they said they weren't aware of that

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which was pretty shocking cuz if I could

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tap those Wheels on the bench the end

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caps could just fall out they were just

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too loose anyway they replaced the

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endcaps they agreed that they were too

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loose worked on the tolerances and they

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sent me the new endcaps and I did

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actually update that CR original crw

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Wheel video to say that were fine they

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were fixed no more noises from the front

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wheel everything was hunky dory but I

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was really disappointed I was pretty

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pissed off cuz they were charging a lot

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of money for them and I told Jo like you

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can't charge this for something that you

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say doesn't happen but you you you know

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you don't have many 90 kilo Riders out

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there testing them you need to test

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above your comfortable use case it's

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called a safety Factor right so anyway

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gave him a bit of a a hard time but I

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was still a fan of the the ambitious

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nature of the wheels the the surface

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finish the weight the stiffness was all

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very good the aerodynamics were very

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good that was tested on the old sensor

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with the a lab now I'm using a gby but

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we'll get into that anyway let's park

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that to the side like I said can we you

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know just ride these and not worry about

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them now this is a much more polished

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product um technically this profile this

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Rim profile was available when I got

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these ones but I can tell they've worked

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on things um the small detail since

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since I've had these wheels so first of

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all the ceiling I think is a lot better

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I haven't ridden these in such like

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conditions as those ones yet but the

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bearings still feel dead smooth there

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they've put some actually weatherproof

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grease under the end caps which I like

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which is such a small feature which more

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companies just should do it just gives

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that little bit of extra barrier for the

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water before it gets in through the

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bearing seals um some say it attracts

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grit hambini I disagree with him on that

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we always argue about this because if

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you've got a very very tight running

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Labyrinth seal the grit can't get

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through the Labyrinth seal in the first

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place if you've got a bearing with no

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Labyrinth seal then I would agree don't

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put grease on bearing seals but with the

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Labyrinth seals I think it's good

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because water can get in but grit can't

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anyway this has got a double Labyrinth

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seal on the end cap really nice to see

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the end caps are really tight fitting

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now so I actually needed the the wooden

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kind of Jaws on the black and& DEA

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workmate to pull these end caps off

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can't pull them by hand just show you

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even when I wiggle

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it this is a much fatter Rim this is a

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25 mil internal and the rear on this one

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is a 60 mil de with a 21 mm internal so

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let me just restate that 25 on the front

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and 21 on the rear now I think it was

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something that r valot s work started um

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but I don't really understand why more

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often than not you want a a slightly

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narrower front tire and my preference is

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to have a fatter rear tire for the

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comfort cuz you don't really peniz so

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much on the rear in terms of

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aerodynamics cuz everything's kind of

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swirling and tossed up by the time it

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gets to the rear well as long as you got

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a fairly deep rim the tire doesn't

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matter so much on the back that's going

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to put my neck out and I'd rather

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customize that tire for puncture

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protection rolling resistance and

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comfort and you can do that with a wider

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Tire you can either run it hard on a

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smooth Road or you can drop it down have

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it really comfortable and have better

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traction on a rough road but the 32

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which I normally ride on the back of my

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bikes all my bikes is light bulbing on

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that because it's 21 mm internal whereas

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on this one I'm on a 28 now because a 30

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on here is just way too wide the 28 on

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the front of this is absolutely perfect

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I would say this is the best one of the

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best rim to Tire transitions I've seen

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on any wheel but I'd normally run a 30

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on the front anyway I think there's a

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company out there it might be swissside

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or it might be another kind of small

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boutique manufacturer that is actually

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doing it the other way around with a

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slightly wider rim on the back and

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that's what I would go for but no one

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else seems to do that that would give

play07:16

the tire a wider footprint a more

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comfortable footprint and allow you to

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get the benefits of a wider Tire on the

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rear more where you're not penalized for

play07:22

aerodynamics anyway my ideal at the

play07:25

moment if it wasn't for these wheels

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would be the 2323 so I've got a couple

play07:28

of other Wheel sets um one one of them

play07:29

is the Polaris 42 mil that I rode for

play07:32

the Fred Wht probably one of the most

play07:33

reliable Wheel sets I've ever tested

play07:35

it's been on my bike all all winter and

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I just kept it on there for the Fred win

play07:38

because I I knew it it's reliable um

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that's 23 mil internal 23 23 you can't

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go wrong with that 2521 it's just a

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little bit odd anyway so engineering

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wise apart from those weird Rim profiles

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I think it's a much better rounded

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product another U issue I had with these

play07:57

ones is that I couldn't fit sh lock

play07:59

Rings onto the center

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locks um before it bottomed out on the

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disc the threads were just getting way

play08:05

too stiff and it was like binding up and

play08:07

actually cutting the threads so crw did

play08:10

some investigation into that after I

play08:12

sent them all that data and um I tried

play08:15

many different lock Rings like steel

play08:16

ones um which the heavier cheaper

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Shimano ones and and the aluminium ones

play08:20

which are slightly lighter and they

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found the same thing after doing some

play08:23

investigation so they actually found

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different like differences in the thread

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pitch of different lock rings so what

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they done made their own which is really

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really cool and these thread in really

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easily um no binding up same tool same

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interface um and it's just nice to have

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another set of lock rings and finish on

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those is really nice now the stiffness

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test I'll put up the chart here like I

play08:44

always do being carbon spoked with quite

play08:46

a thick carbon spoke you expect them to

play08:47

be very stiff however they're not that

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stiff particularly on the front wheel

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normally the front wheel is quite a lot

play08:53

stiffer than the rear wheel because of

play08:54

the spoke angle being U wider and that's

play08:57

pretty much a trend I've seen through

play08:59

all all of my stiffness tests and you

play09:00

can see how many wheels are tested on

play09:01

the chart now but these aren't so stiff

play09:04

on the front and I'm not massively

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against that I think Wheels can be too

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stiff I think some of the wind space

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wheels are if your roads a bit imperfect

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I think they're a bit too stiff and you

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have to drop the tire pressure down to a

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level where you may be penalizing

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yourself and rolling resistance now just

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because you're trying to make it a

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comfier system these aren't so stiff and

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I think the front wheel stiffness is let

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down because of that front uh axle and

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bearing assembly um I don't think the

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stiffest assembly so if you've got

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something like a dt240 with a dedicated

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axle you've got a press fit on the outer

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R of the bearing where it presses into

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the Hub and you got a press fit on the

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inner race with their axle that's always

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in situ I'm not talking about through

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axle I'm talking about the Hub axle with

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this you got these kind of pushing end

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caps you can overcome that clamping load

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on the end caps and get the wheel to

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clung and I think in this although you

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can't hear it now it's still happening

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on a very small level and that's giving

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a little bit more displacement when I do

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the test I don't preload the wheel

play10:00

because I think it's important to test

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it in a zero preloaded state which

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simulates the wheel going side to side

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when you're out the saddle sprinting you

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will go through a period where it's

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basically going through zero load so

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it's going negative to zero to positive

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and cycling in between that's why I

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don't preload the wheels if I pre-loaded

play10:14

the wheels with a weight and then added

play10:16

more weight and then tested the

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deflection I I I take out that slight

play10:21

slop in the middle which is essentially

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leading to a lack of stiffness so that's

play10:25

why I don't pre-load the wheels when I

play10:26

do the testing anyway it's a little bit

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geeky um the the rear wheel seems to be

play10:30

a lot stiffer um and I've never had a

play10:32

problems with the stiffness of the rear

play10:33

wheels on these but anyway for a deep

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rim with thick carbon spokes not the

play10:37

stiffest but I actually think that's a

play10:38

good thing uh especially for the UK

play10:40

roads I ride it on um what more can I

play10:42

say for the price point I think

play10:45

71700 near enough US dollars for these

play10:47

the rim tape had some bubbles in it um

play10:50

not great you know you get cheaper

play10:52

wheels from I can YOLO um Rim taped

play10:55

absolutely perfectly like you can't even

play10:57

tell it's been done it's it look

play10:59

seamless Elite probably one of the best

play11:01

for Rim tape as well uh these a little

play11:05

bit shoddy with the rim tape very very

play11:07

manual process they send they've sent me

play11:10

uh spoke tensions of the front and rear

play11:12

wheels again I'm it's kind of it doesn't

play11:16

mean anything to me I don't really care

play11:17

I just want the wheels to be straight

play11:19

rear wheel absolutely fine front wheel

play11:20

put the dial gauge on it here you can

play11:22

see out the box with a tire on and

play11:24

inflated and I don't care if it's true

play11:26

when there's no Tire on it I need to

play11:28

ride it with the Tire on uh not the

play11:30

truest there's a bit of run out now this

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dial gauge the one I had lying around is

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in inches so I'll convert it to millimet

play11:36

here that is a little bit beyond I would

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say the Xmen standard so talking to some

play11:42

other ladies from XMen I do think these

play11:45

are

play11:46

slightly out um I'm I'm being picky here

play11:50

and it could just be a slight deviation

play11:52

in the rim actual tress from surface

play11:55

finish it's mirror finish and that is

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one good thing about that is it is is

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mirror finish now just for all the

play12:01

conspiracy theorists out there again I

play12:03

will just remind you these were sent for

play12:05

free from uh Panda Podium I didn't pay

play12:08

for any of this I'm doing this video for

play12:09

free however I think my channel is

play12:13

very neutral when it comes things like

play12:15

this like there are many tubers that

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will just promote everything like you

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know with these these got roasted I did

play12:21

not promote them until they were fixed

play12:23

um I don't really care if you buy these

play12:25

things or not and I'll only give a code

play12:27

or a link out if I believe it's a good

play12:29

product there are many things I've

play12:31

reviewed on the channel which I refuse

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to give any kind of affiliation to I

play12:39

don't receive any commission but I'll

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still put the video out because I want

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people to show the good and the bad I

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want I want people to see the good and

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the bad and I want to highlight the bad

play12:47

so the companies come back and try and

play12:50

improve and I think that's what's

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happened with crw I think that's what's

play12:53

happened with Elite I think that's

play12:55

what's happened with Psy plus and their

play12:57

trainers um they come asking you know

play13:00

can we can you do us a free video we'll

play13:02

give you affiliate

play13:03

commission uh yeah but if if if it's bad

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I'm not going to give the the link I'm

play13:08

not going to take a discount code and

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I'm going to still put the video out and

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they don't like it at the time but they

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then say ah actually if we can impress

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this guy and we can do well then it's

play13:19

going to sell so that is the rough model

play13:22

of the channel and that's why I can

play13:23

still remain fairly neutral I think they

play13:26

are slightly over the weight they are

play13:27

1,300 G I think they've claimed 12 1290

play13:30

which is insane for a wheel this deep um

play13:34

for that weight is is incredible no

play13:36

issues with the front hub no issues with

play13:38

the rear hub uh I just wish the rear was

play13:40

slightly wider and maybe just I wish

play13:42

both were 23 23 aerodynamics so I've

play13:46

done limited testing on the new sensor

play13:48

so far so I'm now using the gibl sensor

play13:49

it's much easier to use it's much more

play13:51

user friendly than the old air laab one

play13:53

and my kind of Library my catalog of

play13:55

Wheels tested isn't so big as the old

play13:57

database so on the tested these I tested

play14:00

these against the six spoke Elite the

play14:02

six spoker the v six from Elite which I

play14:04

thought were going to be mega mega fast

play14:06

and I tested the new uh wheels from

play14:08

ascent and that takes up best part of

play14:10

sort of three four hours doing all those

play14:11

testing so only three wheels on test and

play14:13

these were the fastest however as you

play14:15

can also see in this data just to put

play14:17

this into context when I changed the

play14:19

helmet from my Cask to my road TT helmet

play14:21

which is the HJC that's a much bigger

play14:24

difference than any of these wheels had

play14:25

between them so with the wheels if the

play14:28

CR is matched the coefficient of rolling

play14:30

resistance is matched with the tires and

play14:33

the skin stress in the tires all wheels

play14:35

of this kind of depth are more or less

play14:37

the same so there is very very little

play14:41

value in doing lots of aerodynamic

play14:43

testing therefore I've said it like on

play14:45

Wheels they're they're so similar um

play14:47

even the six booat wheels were fast but

play14:50

no faster than these I think were quite

play14:51

impressive I was expecting the six booat

play14:53

was essentially a track wheel to be

play14:55

faster than than this but no these were

play14:57

the fastest so these are my go to Road

play14:59

TT Wheels on the disc brake bike as

play15:01

you've probably been seeing I've been

play15:02

riding these a lot um however I've just

play15:05

received some funky new handlebars for

play15:06

the rim brake bike well they're on the

play15:08

rim brake bikes it was easier to set up

play15:09

so that's what I'm riding now in the

play15:10

road TTS which actually have some fast

play15:13

sport 50 mil wheels on that I built in

play15:16

2016 so8 years ago still going strong

play15:18

built them myself and they've got 28

play15:20

spokes on the rear and dur a hub anyway

play15:23

I digress would I have ridden them in

play15:25

the Fred Wht I could have used these in

play15:26

the Fred Wht um but I chose not to I

play15:29

chose not to because I went with I just

play15:32

wanted reliability I've been working up

play15:33

towards that for months months of

play15:35

training I didn't want a new wheel set

play15:37

something I hadn't tested so much to

play15:38

give me any

play15:39

issues uh that's what happened with

play15:41

these when I sent them to the amps so I

play15:44

didn't but having ridden them now but

play15:47

having ridden them now for 3 months

play15:49

almost I'm pretty confident these are a

play15:51

much more ready finished product than

play15:52

they originally once were and there we

play15:54

go aerodynamics let me just briefly

play15:56

explain so I've got on here the cdas

play15:58

which probably won't mean much to you

play16:00

cuz that's my CDA it's General all day

play16:02

riding on the hoods at 35 K an hour the

play16:05

protocol and more in-depth analysis of

play16:07

the aerodynamic stuff is all on patreon

play16:09

CU I won't bore you with it here but

play16:10

it's an out on back protocol same

play16:12

position same kit same bottle same

play16:14

helmet like same everything has to be

play16:16

kept the same tested the this versus

play16:18

other Wheels on the same day the test is

play16:21

35 K an hour the data at 35k an hour

play16:24

here like the wattage differences at 35k

play16:26

an hour that I'm putting in here is not

play16:28

extrapolated because I test at 35k an

play16:30

hour anything like 40 or 45k an hour

play16:33

will be extrapolated so test speed 35k

play16:36

an out very very similar to other Wheels

play16:38

but on paper yes they are the fastest

play16:41

and yeah more Improvement in changing

play16:45

the

play16:45

helmet so I'll leave a link to these in

play16:48

the description below hope you enjoyed

play16:49

that quite in-depth chat and I'll see

play16:52

you in the next one

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