Shimano BB-UN300-K Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For Chain Case Kids 5 year leakproof warranty with

5 year leakproof warranty with proof of purchase

Bar Clamp Diameter (mm) 35

removable 120 Flex Tongue

} 2D forged MGR alloy is CNC weight optimized

The solution for protecting your disc brakes during maintenance or transit

Shimano BB-UN300-K Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For Chain Case Kids 5 year leakproof warranty withShimano BB UN300 K Bottom Bracket English 68 x 122. 5mm Spindle Square Taper JIS For Chain Case. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Square Taper JIS Spindle Length 122. 5 Defined Color Black