KACTUS – 17THA – Oversized pulley wheel System with ceramic bearing

KACTUS – 17THA – Oversized pulley wheel System with ceramic bearing

TIL SHIMANO R7000

12/17T super large size guide wheel set system *Saves 45% chain friction resistance compared to 11T guide wheels *Ceramic bearing version saves more than 2.2 watts of average power compared to the original transmission system

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