Shimano BB-UN300 Square Taper JIS 68x118mm Spindles BSA (English) Bottom Bracket

Shimano BB-UN300 Square Spindle Bottom BracketsFeatures-Fits JIS square-taper cranksets-Crankarm fixing bolts sold separately-Hollow spindleItem Specifications-Spindle Length:118-Spindle Interface Type:Square Taper JIS-Bottom Bracket Shell I.D.:1.37-BB/Frame Interface:English-BB Shell Width (mm):68 mm