Genuine replacement parts
When it's time to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered.
Product details
- Premium ceramic replacement bearings for Bontrager Aeolus XXX & Aeolus D3 wheels
- Only compatible with Bontrager rim-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
- 75% harder bearing race, further reducing friction and wear
