Aero efficiency, quick acceleration and the improved ride quality of UST Tubeless. You get it all with this carbon road wheel featuring easier to use Road Tubeless technology and a lighter weight.
This versatile carbon road wheel is ideal for riders seeking the perfect balance between weight, aerodynamics and efficiency. New spokes and hubs give the Cosmic SL 40 a light and lively feel for climbing and accelerating.
Accelerate and climb faster, hold higher speeds

40mm NACA inspired rim shape minimizes drag for added speed
Reduced inertia of the lightweight rim delivers instant acceleration
Flat double butted spokes saves weight and improves responsiveness

Versatile performance for all road riding conditions

Minimal drag, low inertia and high lateral stiffness makes it fast and efficient on all types of terrain, from the flats to mountain climbs
iTgMAX brake track offers the best braking efficiency and highest reliability of all carbon rims

Improved UST Road delivering speed, comfort and control

No tubes means less friction, improved efficiency and grip with reduced risk of punctures
Rim bed shape makes it easier to mount and change tyres

Weight

Pair: 1600g
Rear: 895g
Front: 705g

Understanding the different Mavic freehub body acronyms:

HG or M11 – Shimano HG Road 11/12x (other speeds with spacer)
MS - Shimano Microspline
XD - SRAM XD
XD-R - SRAM XD-R
ED11 - Campagnolo 9/12x
N3W - Campagnolo 13x