Bearing CeramicSpeed Aeolus XXX/D3 Disc 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 XXX & Aeolus D3 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