Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK

Experience superior performance with the Shimano ZEE FC-M640 Crankset, designed for serious mountain bikers who demand durability and precision. This 170mm crankset features a 36-tooth chainring with a 104 BCD, optimized for 10-speed drivetrains, making it ideal for tackling challenging trails with confidence. Its Hollowtech II spindle interface ensures smooth power transfer and enhanced pedaling efficiency, while the included SM-BB52 bottom bracket (compatible with 68/73mm shell widths) guarantees a secure and reliable fit.

• Crafted from thick wall aluminum for exceptional durability without unnecessary weight
• Reinforced steel axle delivers 30% greater stiffness compared to Trail-specific cranksets, providing enhanced stability and power output
• Steel pedal inserts improve longevity and pedal retention under demanding conditions
• Complete with SM-BB52 bottom bracket for seamless installation and optimal performance

Upgrade your mountain bike with a crankset built to withstand rigorous rides while delivering precise and responsive pedaling.