Mavic 17x28x7 ceramic wheel hub bearings

These hybrid ceramic ball bearings are designed to be fitted to Mavic Cosmic Ultimate 45 Disc 23 rear wheel hubs. With dimensions of 17 mm (inner diameter) × 28 mm (outer diameter) × 7 mm (thickness), these bearings offer extremely low friction, excellent corrosion resistance and improved heat dissipation, significantly extending the hub’s service life. These bearings feature reinforced sealing and a special low-viscosity grease optimised for ceramic.

Please note that installation must be carried out using suitable tools, including a bearing puller and press.

Technical specifications:

- For Mavic Cosmic Ultimate 45 Disc 23mm rear wheel
- Part number: V00161231
- Ceramic ball bearings (for low friction and corrosion resistance)
- Dimensions: 17 mm x 28 mm x 7 mm
- Compatibility: 15–17 mm axles (quick-release or thru-axle)
- IP67 rating (water and dust resistant)
- Brand: Mavic