Sugino Impel 150X 175mm 28-38-48 7/8 Speed Crankset Silver Arms~ Bottom Bracket Not Included BB Shell Width: Square TaperChain Compatibility: 3/32"Chainring BCD: 64,104mmChainrings: 28/38/48TCrank Color: SilverCrank/FD Type: Mountain TripleCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 64/104mmCrnk Clr: silverPedal Spindle: 9/16"Rings: 28-38-48Spin: Not ApplicableSpindle Interface Type: Square Taper JISSpindle Length: 113,110mmWeight: 690g