SHIMANO UN300 Bottom Bracket - 68 x 118mm - BSA - Square Taper giant and economical package

and economical package</li>

DYNA-SYS compatible system for smooth/stable shifting and driving

Its nickel-plated steel construction helps extend the chain's lifespan while SRAM's convenient Snap Lock connecting link makes installation and removal a simple endeavor

Nylon chain cover prevents scratching and allows for compact storage: throw it over your shoulder

flexible pads giving you total comfort during any ride

SHIMANO UN300 Bottom Bracket - 68 x 118mm - BSA - Square Taper giant and economical package</li>Shimano BB UN300 Square Spindle Bottom Brackets Fits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle