CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket carted Ultegra components offer an ideal

Ultegra components offer an ideal balance of light weight and stiffness

so you spend less time tapping through menus and more time riding

Tire: UST Tubeless Ready

Compatible with the below crank-arms only

clean cuts

CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket carted Ultegra components offer an idealA bottom bracket built to outlast your frame. BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB