Thm-carbones Clavicula Crankset Bicycle Ceramic Ball Bearing set Outer Diameter - 79mm the 6819 inner diameter is

the 6819 inner diameter is 95mm

Loose Ceramic Balls 13/32" inch Si3N4

inner diameter is 1-1/8" inch

this bearing is ideal for applications requiring compact

The CSK series is a one-way (clutch) bearing

Thm-carbones Clavicula Crankset Bicycle Ceramic Ball Bearing set Outer Diameter - 79mm the 6819 inner diameter isHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Thm carbones Clavicula Crankset 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