Enduro XD-15 External Bottom Bracket.
- 100% USA made with aircraft grade metals
- Grade 3 CEREBEC USA Silicon Nitride ceramic 3/16 balls
- Angular Contact design bottom bracket allows fine tuning of preload
- Nitrogen nickel stainless steel races are lighter, smoother and more durable than any other available on the market
- Will not rust, and lasts 5 times longer than any other ceramic bearing
- Bottom bracket cups will fit 68/73mm shells (Mountain Size).
- Includes shim to work with GXP crank spindles
Frame Interface: BSA/English Threaded
Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, Surly OD, FSA MegaExo Light, RaceFace EXI)
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm, 73mm