ax-lightness Ultra 30C Disc Ceramic Wheelset - 28" | Carbon | Clincher | Centerlock - 12x100mm | 12x142mm - XDR

The Lightweight Climber with Full ULTRA Technology

The ax-lightness ULTRA 30C Disc Ceramic is an ultralight carbon wheelset for road cyclists who want to save every gram on climbs and challenging routes. The flat, aerodynamically optimized rim profile ensures a direct riding feel, high crosswind stability, and fast acceleration. High-quality carbon spokes, specially developed ULTRA Disc hubs with ratchet freewheels and ceramic bearings ensure efficient power transfer and exceptionally smooth running.

Highlights of the ax-lightness Ultra 30C Disc Ceramic wheelset

• extremely light total weight of approx. 1,050 g (±5%, including tubeless rim tape, manufacturer information)
• 30 mm rim profile for low moment of inertia and agile handling
• 21 mm inner width and 28 mm outer width – optimized for tires ranging from 25 to 32 mm
• wind tunnel-optimized rim shape for high crosswind stability
• tubeless ready with carbon clincher rim profile
• RAW UD finish
• 20 carbon blade spokes per wheel, laced in a double-cross pattern
• proprietary ULTRA Disc hubs with ratchet freehub system
• high-quality ceramic bearings for minimal rolling resistance
• Centerlock brake rotor mount
• maximum system weight: 115 kg

Technologies & Particularities

ULTRA technology | The ULTRA series combines ax-lightness’s expertise in bike, automotive, and ski development. The goal is to achieve an optimal combination of low weight, high stiffness, and maximum performance.

Carbon blade spokes | The exceptionally lightweight carbon spokes increase lateral and torsional stiffness and ensure direct, loss-free power transfer during sprints and accelerations.

Ceramic bearings | High-quality ceramic bearings reduce rolling resistance and ensure exceptionally smooth running of the hubs.

Carbon rim | The bulging rim shape improves aerodynamics while also increasing stability in crosswinds, without compromising the low weight.

Scope of delivery: Wheelset, including tubeless rim tape, 2 spare spokes, and 2 Centerlock lock rings