Mavic Cosmic Ultimate 45 Rear Wheel 12V Sram XDR CenterLock

This Cosmic Ultimate 45 rear wheel from Mavic is designed for road cyclists seeking a high-performance carbon disc brake wheel that delivers rapid acceleration and a contemporary tyre platform. The 45 mm rim height provides an aerodynamic profile perfect for racing and fast road riding, while the 32 mm outer width and 23 mm internal rim width accommodate wider road tyres, enhancing comfort, grip, and rolling efficiency. Its UST tubeless rim design is ready for compatible tubeless tyres, and the rim-to-rim carbon spoke construction ensures the wheel remains responsive under load. The rear hub features ceramic bearings, Instant Drive 360 engagement, a SRAM XDR freehub for 12-speed cassettes, and a 12x142 mm rear axle fitment.

- Carbon rear road wheel with 45 mm aerodynamic rim height
- SRAM XDR freehub for compatible 12-speed cassettes
- Instant Drive 360 freehub provides quick responsive engagement
- Ceramic bearings support smooth efficient wheel rotation
- Center Lock disc brake interface for compatible rotors
- 12x142 mm rear axle fitment
- UST tubeless rim design for compatible road tubeless tyres
- 23 mm internal rim width supports wider modern road tyres
- Rim-to-rim carbon spoke construction as specified
- Supplied with UST valve and user manual

Specifications
Brand: Mavic
Model: Cosmic Ultimate 45 Disc
Type: Road wheel
Position: Rear
Internal Rim Width: 23 mm
Outer Rim Width: 32 mm
Height: 45 mm
Wheel Size: 28"
ETRTO: 622 x 23TC Road
Rim Type: UST tubeless
Freehub System: Instant Drive 360
Freehub Body: SRAM XDR
Cassette Compatibility: SRAM 12-speed
Axle Standard: 12 x 142 mm
Brake Compatibility: Disc brake
Rotor Mounting: Center Lock
Bearings: Ceramic
Spokes: 20
Rim Material: Carbon
Color: Black