CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket carted Compatible with the below crank-arms

Compatible with the below crank-arms only

the SKS bicycle drinking bottle is completely leak-proof when closed and fits into all common bottle cages

Ultegra Di2 groupset

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

Tire: UST Tubeless Ready

CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket carted Compatible with the below crank-armsA 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