Sugino RD2 172.5 Left Arm Square Silver BB Shell Width: Not ApplicableChainrings: No ChainringsCrank Color: SilverCrankarm Length: 172.5mmCrankarm Length: 172.5mmCrankset BCD: Not ApplicableCrnk Clr: silverSpin: Not ApplicableSpindle Interface Type: Square Taper JISSpindle Length: 103,110mm