CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display Featuring UltraCarbon™ technology

Featuring UltraCarbon™ technology

No mounting option on the frame

Despite a reduced thickness

The Turnover Half Tights

Chain Type: Super Narrow HG (HyperGlide) for 10-speed

CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display Featuring UltraCarbon™ technologyA 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