Designed to be used with X-Type or EXI cranksets. Manufactured from high strength aluminum & featuring custom retainer bearings. Race Face BB cups are also compatible with various Shimano and FSA external BB systems, making for a great upgrade.
- BB Cups are forged & CNC machined from 6066 aluminum.
- Tapering wall construction to minimize weight.
- Custom 6805 16 ball retainer bearing
- Bearings feature our custom triple wiper seal to better retain grease & keep contaminants out.
- Bearings are factory filled with Phil Wood waterproof grease — tested & proven to extend bearing life.
- Interchangeable with select Shimano and FSA external MOUNTAIN BB systems.