SHIMANO Bottom Bracket 68BSA Chain Case Compatible EBBUN300KB22X BB-UN300-K 122.5mm (D-NL)

Shimano part: EBBUN300KB22X Crank mounting bolt sold separately Shell width: 68mm Shaft length: 122mm Department Name: Unisex Adult *The photo is a representative image. Product specifications may differ. Thank you for your understanding.