Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK CheckoutTitle=Zipp Vuka Alumina Evo 110 Extensions - 22.2mm BB Inclusion No Crank Spindle Weight-653

Shimano ZEE FC M640 Crankset 170mm 10 Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK CheckoutTitle=Zipp Vuka Alumina Evo 110 Extensions 22.2mm BB Inclusion No Crank Spindle Weight 653 BB Inclusion No Crank Spindle Diameter 22mm Crank Arm Length 160mm Interface 22mm Crankset Weight 770g Crankset Material Cr Mo Pedals Thread 9 16 Primary Color Black Drivetrain Spacing BMX Crank Arm Length 160Mm Straight pull hubs spokes built with a 3 cross pattern Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Cassette Body Type Shimano HG Valve Presta Color Black Wheel Size 29" Defined Color Black ISO Diameter 622 Road 29" Tire Type Tubeless Ready Clincher Hub Brake Compatibility Center Lock Disc Steel pedal inserts Shimano ZEE FC M645 M640 Crank Bottom Brackets SetsThick wall aluminum construction