Web exclusive
Bottom bracket bearing Black Bearing 46-68/73-30 - B5S
Optimize your bike's performance with the new Black Bearing B5S bottom bracket - robust, smooth and durable.
Sold and shipped by Sport & Go
Technical Info: The two machined aluminum cups screw into each other for better alignment of the housing, for:- Less cracking- Better smoothness and performance- Better bearing longevity- Easier bearing replacement.
