Shimano ZEE FC-M640 Crankset - 175mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK ModelNumber=MTOPEAK26 M6 bolts throughout the body

M6 bolts throughout the body and faceplate

Improved pressure distribution in thumb area

5 x 26 x 146mm QR

Fixed rebound

Shimano ZEE FC-M640 Crankset - 175mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK ModelNumber=MTOPEAK26 M6 bolts throughout the bodyShimano ZEE FC M640 Crankset 175mm 10 Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket Black. Shimano ZEE FC M645 M640 Crank Bottom Brackets SetsThick 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 TECH SPECS Color Black Rings 36 BB Frame Interface English Number of Chainrings Single BB Shell Width