- 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
- Mountain BB cups will fit 68/73mm shells, Road will fit 68mm shells. 101g
- Includes shim to work with GXP crank spindles
- 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer
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