Lowest resistance hybrid ceramic (ceramic balls and steel cages) available Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings Kits include Freehub body with CeramicSpeed bearings pre-installed for easy installation onto the wheel SRAM Model ID: HU-SPP-A0
| Freehub Body |
Campagnolo |
| Freehub Compatibility |
177 |
| Speed |
11/12 |