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 ALPHA models are backed by a lifetime warranty.

Precisely pair a SRAM DUB crankset with 28.99 mm axle with a threaded T47 frame that is asymmetric and 77mm wide by selecting this high quality bottom bracket from CeramicSpeed.

Specifications
BB Type: T47a
Crank Diameter: 29.0
Crank Brand: SRAM

What’s in the box
BB ALPHA for T47a SRAM DUB Road
DUB Spacer Kit
UFO All Round Grease 5ml
Decal

Mfr Claimed Weight
101.0 g