Sugino RD2 170m Left Arm Square Silver BB Shell Width: Not ApplicableChainrings: No ChainringsCrank Color: SilverCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: Not ApplicableCrnk Clr: silverSpin: Not ApplicableSpindle Interface Type: Square Taper JISSpindle Length: 103,110mm