Shimano BB-UN300-K Bottom Bracket- 68x117.5mm Spindle Square Taper - Chain Case

Shimano BB-UN300 Square Spindle Bottom BracketsFeatures-Fits JIS square-taper cranksets-Crankarm fixing bolts sold separately-Hollow spindle-For chain caseItem Specifications-Spindle Interface Type:Square Taper JIS-Bottom Bracket Shell I.D.:1.37-BB/Frame Interface:English-BB Shell Width (mm):68 mm-Spindle Length:117.5