Designed for BSA 68/73mm bottom bracket shells when using a SRAM DUB Crankset.
- Grade 3 Ceramic balls (Si3N4), with ABEC 5 precision
- CN Bearing Clearance
- Races are ultra-durable for longer life! Nitrogen infused steel, heat treated and cryogenically frozen
- These bearings are 3.5 times more corrosion resistant than stainless steel
- Will not rust; little servicing required
- Silicone seals. These are the lowest friction bearings available; period!

Vendor Part # BKC-0815