Shimano ZEE FC-M640 Crankset - 175mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK CheckoutTitle=Quality Wheels DT 240 / Reserve 30 HD Carbon Rear Wheel - 29 Safe Lock design offers added

Safe Lock design offers added security against inadvertent openings and is required by World Cup races and mass-start races

Includes bike mounts and clip mount for multiple mounting possibilities

Gender Unisex Size XS Padding Type Gel Core No Color Jet Black Primary Color Black

100% Recycled and Recyclable Packaging Color Black Defined Color Black Flat Protection Tread and Sidewall ISO Diameter 584 / 650b / 27

Shimano ZEE FC-M640 Crankset - 175mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK CheckoutTitle=Quality Wheels DT 240 / Reserve 30 HD Carbon Rear Wheel - 29 Safe Lock design offers addedShimano 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) 175 Crank Intended Use Mountain Drivetrain Speeds 10 Weight 906 Pedal Spindle 9 16" BB Included Yes