CeramicSpeed BB ALPHA T47/68 bottom bracket, SRAM DUB Road
CeramicSpeed BB ALPHA T47/68 bottom bracket, SRAM DUB Road is a high-end threaded bottom bracket designed to outlast the frame itself. It combines extremely durable, ultra-low-friction bearings, improved moisture protection, and reduced weight, and is designed for SRAM DUB Road cranks with a 28.99 mm axle and frames with a T47 threaded standard with a width of 68 mm and external bearing housing.
- Bearings with hardened stainless steel raceways and grade 3 silicon nitride ceramic balls
- Custom-designed seals and precision dust caps for up to 500% better moisture protection
- Very low friction for efficient power transmission and smooth running
- Simplified spacer tube and lightweight cups for quick installation
- Approximately 10% lighter than previous generations
- Compatible with SRAM DUB cranks with 28.99 mm axle and T47/68 mm threaded frame with external bearings
- Lifetime warranty on all CeramicSpeed BB ALPHA models
- Package contents: BB ALPHA T47/68 SRAM DUB Road bottom bracket, DUB spacer kit, UFO All Round Grease 5 ml, sticker
| Suitability | Road |
| Mount type | T47/T47a |
| Axis type for crankset | DUB (⌀ - 29 mm) |
| Frame width | 68 mm |
| product ID | 371267 |
All the answers to questions about delivery, payment, security, returns, warranty and much else.

There are currently no reviews