CeramicSpeed BB ALPHA T47/68 bottom bracket, Shimano Gravel
A bottom bracket that will outlast your frame. The BB ALPHA bottom bracket is constructed with hardened stainless steel races and hand-installed, grade 3 silicon nitride ceramic balls. It also features custom-designed seals and precision dust covers that provide up to 500% better protection against moisture while maintaining extremely low friction. A simplified spindle design and lighter cups ensure quick installation and a 10% weight reduction compared to previous generations. All CeramicSpeed BB ALPHA models come with a lifetime warranty.
- Designed for cranks with a 24mm spindle (Shimano and other brands) and T47 threaded frames with a 68mm width.
- Stainless steel races and grade 3 silicon nitride ceramic balls for long lifespan.
- Seals and dust covers for excellent moisture protection.
- Reduced friction for maximum performance.
- Easy installation and 10% lower weight compared to older versions.
Package contents: BB ALPHA T47/68 Shimano Gravel bottom bracket, UFO Long Life Grease 5 ml, sticker.
| Specification | Road |
| Mount type | T47/T47a |
| Axis type for crankset | HollowTech II (HTII) (⌀ - 24 mm) |
| Frame width | 68 mm |
| product ID | 371264 |
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