Bearing CeramicSpeed Aeolus RSL Upgrade Kit Coated

Genuine replacement parts

Refresh your Bontrager wheels.

When it's time to refresh your trusty wheelset, Trek genuine replacement parts have you covered.

Key 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

Specifications