Genuine replacement parts
When it's time to refresh your trusty wheelset, Trek genuine replacement parts have you covered.
- Premium ceramic replacement bearings for Bontrager Aeolus RSL disc wheels
- Only compatible with Bontrager disc-brake wheels with DT-Swiss internals
- 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
- Handmade in Denmark and used by numerous pro teams including Trek Factory Racing