Black Bearing Bottom Bracket - T47
The Black Bearing bottom bracket range has been specifically developed to withstand the most extreme conditions. Tough grade 5 stainless steel bearings standard.
The BBLock technology (built in 2 threadable parts) allows a better alignment of the casing in its assembly offering several advantages:
- Minimizes possible creaks
- Greater protection to the bearing extending its useful life
- Easier replacement of the bearings.