1664 BMX Flip Flop Rear HUB Bicycle Ceramic Ball Bearing set bearing grease plus rubber seals to keep

plus rubber seals to keep out the gunk

Assembly Dimensions: 3/16" x 5/8" x 3/8" Inches

6305RS bearing is equipped with two rubber seals to shield against dust and contaminants

6 x 12 x 4 Sealed Ball Bearings With Ceramic balls

DAC39720037 Ball Bearings

1664 BMX Flip Flop Rear HUB Bicycle Ceramic Ball Bearing set bearing grease plus rubber seals to keepHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits 1664 BMX Flip Flop Rear 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 Location : Rear Hub