Detaljer om produktet
- CeramicSpeed bearings reduce friction and improve performance & durability
- 400% smoother, 128% harder, and 58% lighter than a standard steel bearing
- Made from Grade 3 Silicon Nitrate – the highest possible grade
- Coated options use a 75% harder bearing race, further reducing friction and wear
- Handmade in Denmark and used by numerous pro teams including Trek Factory Racing
- Only compatible with 24mm cranks
- Not compatible with BB30 cranks