CeramicSpeed ALPHA bottom bracket, BSA, SRAM DUB
The CeramicSpeed ALPHA bottom bracket for threaded BSA frames is designed for SRAM DUB cranks with a 28.99 mm axle. Thanks to high-quality silicon nitride ceramic bearings, hardened stainless steel raceways and unique seals, it offers extremely low friction and long service life. Lightweight construction with simplified installation and high protection against moisture guarantee reliable performance even in demanding conditions. The product is covered by a lifetime warranty.
- Compatible with SRAM DUB (28.99 mm) and BSA/English thread
- High-quality silicon nitride ceramic bearings (Grade 3)
- Hardened stainless steel tracks for maximum durability
- Improved seals and moisture protection by up to 500%
- Lightweight bowls and simplified assembly
- 10% weight reduction compared to the previous generation
- Lifetime manufacturer warranty
| Suitability | Road |
| Mount type | BSA |
| Axis type for crankset | DUB (⌀ - 29 mm) |
| Frame width | 68 mm, 70 mm |
| Weight | 87 g |
| product ID | 371239 |
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