Mavic Cosmic S 42 Disc Wheels

The Cosmic S 42 Disc wheels, with their full carbon rim, offer immediate acceleration and better control.

With an internal width of 21 mm, these wheels maximize tire volume, increasing reliability and confidence, improving efficiency and optimizing cornering performance.

The profile height of 42 mm and the flat spokes tested in the vento tunnel maximize the aerodynamics of the Cosmic S 42 Disc and give it lateral stability at high speeds. Riders looking for versatility on hilly or mountain roads will find what they're looking for. The low weight guarantees excellent capabilities on the most difficult slopes, so you can tackle Alpe d'Huez as if it were a hill. Mavic 's UST Tubeless Ready technology simplifies tire installation, providing greater comfort and efficiency.

High-quality spokes, durable bearings and our ID360 freehub technology ensure exceptional strength and longevity. Hand-assembled in Europe, the Cosmic S 42 Disc is the result of Mavic 's extensive experience in producing high-quality wheels.

The exceptional dynamics and remarkable smoothness of the Cosmic S 42 Disc offer versatility to riders looking for optimal performance in all conditions. Its reliability and ease of maintenance make it a long-lasting investment, ready to take on any challenge. Don't waste time looking for the ideal wheels: the Cosmic S 42 Disc are ready to give you the level of performance you are looking for.

Dynamic and easy to ride

The lightweight full carbon rim offers low inertia for instant acceleration and better control.

The 21mm internal width maximises tyre volume to improve safety, efficiency and cornering grip.

The disc-specific wheel design handles the constraints of disc brakes perfectly.

All-terrain versatility

The 42mm rim profile and flat spokes have been tested in the vento tunnel to ensure low vento resistance and high lateral stability at high speed.

Low overall weight results in excellent climbing skills

UST tubeless ready Mavic improves tire comfort, efficiency, and installation

Reliable and easy to maintain

High-quality hubs thanks to long-lasting bearings and the proven reliability of our ID360 freewheel technology

Standard J-bent spokes for easy maintenance

Assembled by hand in Europe.

Technical specifications

Circles

Material: 100% carbon fiber

Height: 42 mm

Interior width: 21 mm

Drilling: Traditional (24 holes front/rear)

Brake: Disc

ETRTO Size: 622x21TC

Tire: UST Tubeless Ready - Use with tubeless rim tape Mavic.

Rays

Material: Steel

Shape: Curved Radius, Round (Front & Rear)

Nipples: steel, ABS, black

Spoke pattern: crossed by 2 (front and rear).

Hubs

Body Material: Aluminum

Body Design: CLASSIC

Standard Disk: Center Lock Only

Axle Material: Aluminum

Axle dimensions: front 12x100 / rear 12x142 - Convertible into quick release with adapters (not included)

Freewheel technology: Instant Drive 360

Freewheel: Shimano HG road

Bearing technology : QRM self-adjusting - sealed cartridge.

Real weight

Front wheel: 760 g

Rear wheel: 898 g.

Compatibility

ASTM Category 2: Road and Tracks with Jumps Less Than 15 cm Height

Maximum weight supported by the wheels: must not exceed 120 kg (including the weight of the bicycle).

Technologies

Instant Drive 360 freewheel system

The new Instant Drive 360 freewheel system is ultra-light and efficient. A non-contact oversized rubber seal minimises friction and a wide choice of adapters makes it compatible with a wide range of frames and axles.

UST tubeless technology

Traction and control. Universal Standard for Tubeless. Tubeless system ready to ride. The UST system improves traction, control and comfort, reducing inertia and the risk of punctures.

Infinity Hubs

Efficient power transfer thanks to optimized non-contact spoke lacing (no noise under load) and voltage distribution. The length of the front and rear spokes is identical. Easy maintenance thanks to the tool-free solution.

QRM Auto Bearing Automatic Adjustment Technology

Quality Mavic Car Bearings. These cartridge bearings are of course double sealed, with C3 internal clearance. The system adjusts automatically to ensure perfect rotation without backlash in the long term.

Inclusive

User guide

UST rim tape mounted on the wheel

UST valve not mounted on the wheel.