When it’s time to refresh your trusty wheelset, Trek genuine replacement parts have you covered.
Features
– 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
– 75% harder bearing race, further reducing friction and wear
– Handmade in Denmark and used by numerous pro teams including Trek Factory Racing
