現在のチェーンやディレイラーシステムはほぼ1世紀以上変わっていない。効率さを名目に、セラミックスピード社の「Driven」がそんな従来のカタチを一新した。コロラド大学の機械工学科と共同開発されたこの新しいシステムは、21のセラミックスピードのベアリングを使用し、前輪からのトルクをドライブシャフトから送り、後輪の13速のギアへと乗せていく。結果、従来のチェーンドライブトレイン内の計8点の摩擦をなくし、摩擦を49％削減。ペダルからのパワーをより効率的に加速へと繋げてくれるのだ。
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Presented by Bombas.
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Presented by Medterra.
Consult a physician before consuming any new supplement. Any health claims made are solely those of the brand and not those of Uncrate LLC.
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International rates at checkout.
We're proud to offer a discount to Military, Nurses, and First Responders.
