Zipp OLD Disks With Black HUB Flang Track HUB Bicycle Ceramic Bearing Inner Diameter - 2 7/16 inch (2.4375") the S6808-2RS inner diameter is

the S6808-2RS inner diameter is 40mm

UCT203E Bearing

Dimensions (mm) a e i g l s Z Bi n m 117 92 19 15 34 14 44

the 29344E outer diameter is 360mm and the 29344E width is 85mm

and other mechanical systems requiring consistent

Zipp OLD Disks With Black HUB Flang Track HUB Bicycle Ceramic Bearing Inner Diameter - 2 7/16 inch (2.4375") the S6808-2RS inner diameter isHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Zipp OLD Disks With Black HUB Flang Track HUB Bicycle Closures: Rubber Sealed Closure Side: Double Sided Seals Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: Low Friction Solid Ultra Light Ceramic Balls Brand: VXB Quantity: Set of two Bearings