Rotor REX 2.1 Crankset

Rotor REX2.1 crank arm set, 76 175mm black: Forged, machined 7075-T6 aluminum arms with Trinity Drilling System *UBB 30mm universal system fits virtually any bike, regardless of its BB type. Bottom bracket options available separately Rotor 4x76mm BCD Q-Ring or NoQ ring sold separately

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