CeramicSpeed BB Alpha T47/68 SRAM DUB Road Bottom Bracket carted XD driver (R)

XD driver (R)

90 mm (40 cm/42 cm) or 110 mm (44 cm)

Every trail

Vectran Breaker for unparalled puncture protection

axle in titanium and chainrings in aluminum

CeramicSpeed BB Alpha T47/68 SRAM DUB Road Bottom Bracket carted XD driver (R)A 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