FSA A-Drive 170mm 22-32-42 Square Taper Crankset BB Shell Width: Square TaperChain Compatibility: 3/32"Chainring BCD: RivetedmmChainrings: 22/32/42TCrank Color: BlackCrank/FD Type: Mountain TripleCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 64/104mmCrnk Clr: BlackPedal Spindle: 9/16"Rings: 22-32-42Spin: Not ApplicableSpindle Interface Type: Square Taper JIS