The Bontrager Aeolus XXX 2 Disc Tubular Road Wheels are a lightweight climber with a 28 mm depth. Float up the climbs with a lighter, faster wheel carbon road wheel that’s strong enough for cyclocross & gravel riding. The Aeolus XXX 2 Disc Tubular Road Wheels are lighter than anything in their class, & the wide profile delivers more tyre support & confidence for road, gravel or cross. Disc brakes provide all-conditions stopping power. The Aeolus XXX 2 Disc Tubular Road Wheels are compatible with 9, 10 & 11 speed Shimano & SRAM setups. Features OCLV XXX carbon uses premium materials & high temperature resins with industry-leading domestic manufacturing Speed Stability Shaping reduces side force, allowing for a deeper depth & faster profile Center Lock disc brake hubs with front & rear 12 mm thru-axles 28 mm rim depth provides unmatched stability & confidence from a lightweight, climbing wheel Tubular rim shape optimized for tubular cyclocross tires at least 28mm in width DT Swiss internals for a buttery smooth ride feel & reliable 36-point star ratchet engagement Laser-etched graphics provide a fast, finished look with no added weight