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- BB Shell Width: Square TaperChainring BCD: 144mmChainrings: No ChainringsCrank Color: BlackCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 144mmCrnk Clr: BlackSpin: Not ApplicableSpindle Interface Type: Square Taper ISOSpindle Length: 109mmWeight: 580g
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Sugino 75 track armsets, no rings included. Features: National Japanese Keirin (NJS) Association approved. Sugino recommends using a SG-75 ISO spindle taper