Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm BIKESPORTZ Threadlockers lock threaded assemblies and

Threadlockers lock threaded assemblies and keep them from loosening

easy setup

the Devour give exceptional eye coverage and protection

Folding bead construction keeps weight down

Residual air traveling around the helmet is managed by the 22° aero trailing edge

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm BIKESPORTZ Threadlockers lock threaded assemblies andThe quality and performance oriented Shimano BB UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line. Specifications Adapter: aluminum (left), aluminum steel (right) Axle: steel Mfr Claimed Weight TBC