CeramicSpeed BB ALPHA T47/73 Bottom Bracket, Shimano MTB
The BB ALPHA bottom bracket is designed to outlast your frame. It features hardened stainless steel races that are hand-installed with grade 3 silicon nitride ceramic balls, specially designed seals, and precise dust covers.
Key Features:
- Up to 500% improved moisture protection while maintaining extremely low friction.
- Simplified design of the spacer tube and lighter cups.
- Quick installation and 10% weight reduction compared to previous generations.
- Compatible with 24mm spindle cranks (Shimano and other brands) and T47 threaded frames with a 73mm width with external bearings.
- Lifetime warranty.
Package Contents:
- BB ALPHA for T47/73 Shimano MTB
- UFO Long Life Grease 5 ml
- Sticker
| Specification | MTB |
| Mount type | T47/T47a |
| Axis type for crankset | HollowTech II (HTII) (⌀ - 24 mm) |
| Frame width | 73 mm |
| product ID | 371269 |
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