specialized giant cube cannondale Mavic Castelli endura altura
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  • Product Description

    ROTOR believes that functionality and realiability - not fashion - best define material selection when it comes to crafting 1x and 2x REX 1 cranks. Crank arms CNC - machined from aeronautic-grade 7055 aluminiun are combined with proprietary technologies to yield cranks with and exceptional stiffness-to-weight ratio that can handle a thrashing off road. Together with ROTOR´s Universal Bottom Bracket (UBB) system, ROTOR cranks offer a performance upgrade opportunity for almost all mountain bikes on the market.

    • Spindle: 30mm 
    • Q-Factor: 163 mm
    • Chainline: REX 1.1 50.6mm
    • Material: aluminum alloy 7055 100% CNC-machined
    • Compatibility: Bottom Bracket BSA , BB89 , BB92 , PF30 , BBRight , Cannondale F-Si Ai (spider sold separately) , Oval and round chainrings , 9 , 10 and 11 Speed  

    • 172.5mm 506g

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