Shimano Bb-Un300 Standard Bottom Bracket
Description: Shimano BB-UN300 Square Spindle Bottom Brackets Fits JIS square-taper cranksets Crankarm fixing bolts sold separately Hollow spindle Features: *Bottom Bracket Shell I.D.: 1.37 *BB Shell Width (mm): 68 Specifications: *Shimano EBBUN300B10X *Spindle Length: 110 mm *Shell Width: 68 mm *Frame Interface: English *Crank Compatibility: Square Taper
