Wheels Manufacturing Enduro 6806 ZERO Ceramic Sealed Bearing

Enduro 6806 "ZERO" 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-inch Grade 3 balls, the largest in the industry - Enduro Part # BB C0 6806 LLB/C3 - Imported - Sold individually (Requires two to service both sides of bottom bracket)