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

Shimano ZEE FC-M640 Crankset – 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket Black. Shimano ZEE FC-M645/M640 Crank/Bottom Brackets Sets

• Thick wall aluminum construction
• Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options
• Steel pedal inserts
• Includes SM-BB52 68/73 bottom bracket

Details