Hubs

Bontrager Affinity Comp 12-Speed XDR Driver Body - Replacement freehub bodies for Bontrager Comp level hubs - Compatible with Race, Affinity Comp, and Rhythm Comp

Bontrager XDR 12mm Drive Side Axle End Cap 3 PAWL XDR 12MM END CAP DRIVE SIDE REAR

Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. Product details: Replacement freehub body Compatible with select Rhythm and Line wheels

-Replacement freehub body -Compatible with select Aeolus Pro, Aura, Race Lite, and -Paradigm Comp wheels -End cap sold separately