BLACKBEARING BB-T47A-24-B5 Bottom Bracket (T47A - 77 mm - 24 mm / GXP)
EAN: 3760365231101
Part Number: BB-T47A-24-B5
Brand: BLACKBEARING
Type: Premium B5 steel bearing bottom bracket set
The BLACKBEARING BB-T47A-24-B5 is a high-performance bottom bracket designed for frames with asymmetric T47A (77 mm) bottom bracket shells. Premium BLACKBEARING B5-grade steel bearings deliver exceptionally smooth rotation, high load capacity, and long-term durability for daily riding and intense training sessions alike.
It is an ideal choice for cranksets with a 24 mm spindle diameter (e.g., Shimano Hollowtech II) and can also be used with SRAM GXP systems using the appropriate adapter.
Key Features
- Premium BLACKBEARING B5 quality steel bearings
- Engineered for the asymmetric T47A (77 mm) threaded frame standard
- Superior dust and water sealing for long-lasting operation
- Maximum stiffness and precise fitment
- Reliable performance on road, gravel, and mountain bikes
Technical Specifications
| Brand |
BLACKBEARING |
| Model / Part Number |
BB-T47A-24-B5 |
| Frame Standard |
T47A (Asymmetric T47 - most common brands: Cervélo, Factor) |
| Shell Width |
77 mm |
| Crankset Compatibility |
24 mm (Shimano) / GXP (with adapter) |
| Bearing Type |
B5 Steel |
| EAN |
3760365231101 |
Compatibility
- Frames equipped with T47A 77 mm asymmetric threaded bottom bracket shells (Cervélo, Factor, etc.)
- 24 mm spindle cranksets (Shimano Hollowtech II, Rotor 24 mm, etc.)
- SRAM GXP cranksets (using appropriate adapters/reducers)
Applications
- Road, gravel, and triathlon bicycles
- Workshop servicing, maintenance, and replacement