Reynolds Carbon Campagnolo PRE 2007 Front HUB Bicycle Ceramic Bearing Outer Diameter - 5 5/8 inch (5.625") each bearing features ultra-smooth Si3N4

each bearing features ultra-smooth Si3N4 (silicon nitride) ceramic balls

and other mechanical assemblies where corrosion resistance and consistent roundness are a must

Equal NSK 6017

Model: Kyosho Mini-Z Miniz

Reynolds Carbon Campagnolo PRE 2007 Front HUB Bicycle Ceramic Bearing Outer Diameter - 5 5/8 inch (5.625") each bearing features ultra-smooth Si3N4Hybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Reynolds Carbon Campagnolo PRE 2007 Front 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 : Front Hub