TruVativ Stylo 3.3 GXP crankset, 170mm - black BB Shell Width: 68/73mmBB Thread Type: EnglishChain Compatibility: 9-SpeedChainring BCD: 104mmChainrings: 22/32/44TCrank Color: Mirror BlackCrank/FD Type: Mountain TripleCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 64/104mmCrnk Clr: BlackCrnk Clr: mirror blackInterface: GXPLength: 170mmPedal Spindle: 9/16"Rings: 22-32-44Rings: 22/32/44tSpin: Not ApplicableSpindle Interface Type: TruVativ GXP