Shimano BB-UN300 Bottom Bracket - English 73 x 118mm Spindle Square Taper JIS MFPN=00.4118.421.058 Welded seams at cuff and

Welded seams at cuff and hem for maximum comfort

Swinging hinge design saves space when not in use

Pad Shape Number 40

The P ZERO Race TLR is focused on performance crafted to pack all the benefits of tubeless technology grip rolling and handling into a race-ready all-rounder tire

Shimano BB-UN300 Bottom Bracket - English 73 x 118mm Spindle Square Taper JIS MFPN=00.4118.421.058 Welded seams at cuff andShimano BB UN300 Bottom Bracket English 73 x 118mm Spindle Square Taper JIS. 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) 73 Spindle Interface Type Square Taper JIS Spindle Length 118 Defined Color Black