Crank Arm Length: 175mm
BB Spindle Interface: ISIS Drive ( 10 Spline)
BB Compatibility: ISIS Drive
Speeds: 9
Crank Arm Material: Alloy
Chainring Material: Steel
Bottom Bracket Shell Type: ISIS Drive
Bolt Circle Diameter (BCD): 104/64 BCD
Chainring Size: 36/24T
Weight: About 880 grams

Bottom Bracket not included.