Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK Weight (Grams)-660 Nipples sold separately Spoke Profile

Nipples sold separately Spoke Profile Double Butted Color Silver Thread Diameter 2

Gravel riders tend to pedal in a forward-leaning position for long periods of time

Competes with Loctite 7649

Competion and race bred 4° x 8° geometry

alpine touring)

Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK Weight (Grams)-660 Nipples sold separately Spoke ProfileShimano 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 Color Black Rings 36 BB Frame Interface English Number of Chainrings Single BB Shell Width (mm) 73 Crank Length (mm) 170 Crank Intended Use Mountain Drivetrain Speeds 10 Weight 906 Pedal Spindle 9 16" BB Included Yes