CeramicSpeed BB Alpha ITA SRAM DUB Road Bottom Bracket BX PSI Color - Outer Link: Dark

Color - Outer Link: Dark Polar

aerodynamic efficiency and all-day comfort

We reengineered road gearing: reducing front chainring size and adding more range to the rear cassette

Industry legends bring all their expertise in optical design and imaging

CeramicSpeed BB Alpha ITA SRAM DUB Road Bottom Bracket BX PSI Color - Outer Link: DarkA 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