Enduro 6806 "ZERØ" Ceramic Sealed Bearing. Direct replacement bearing for BB30/PF30 OEM systems as well as Wheels Mfg PF30 bottom brackets.

• Dimensions: OD: 42mm / ID: 30mm / Width: 7mm
• USA made Silicon Nitride (Si3n4) 5/32" Grade 3 balls, the largest in the industry
• Enduro Part # BB C0 6806 LLB/C3
• Imported
• Sold individually

 More info on WheelsMFG.com