Chainring: 40T. PROWHEEL Forged CHARM BCD104 FD04-40T-B 11-Speed Ultra Torque Chainset Crankset 170mm. Crank Arm Length: 170mm. Upgrade your ride with thePROWHEEL Forged CHARM FD04-40T-B crankset – a high-performance, lightweight, and durable chainset designed for 11-speed drivetrains.
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