UST tubeless technology
Traction and control
Universal Standard for Tubeless. Ready to ride tubeless system. The UST concept improves traction, control and comfort whilst reducing inertia and flats.
Medium profile rim
COSMIC SL 40
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 lighter weight
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Pair : 1600 grams
Front : 705 grams
Rear : 895 grams
Key benefits
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
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
iTgMAX brake track offers the best braking efficiency and highest reliability of all carbon rims
Improved UST Road delivers more speed, comfort and control in an easy to use tubeless system
No tubes means less friction, better efficiency and grip, a reduced risk of punctures
New rim bed shape makes it easier to mount and change tires
New rim bed shape makes it easier to mount and change tires
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.
The rim is engineered with a NACA rim profile that’s 40mm deep and 26mm wide, designed specifically for all-rounder performance on flat or hilly terrain. The new rim bed shape makes it easier than ever to fit tubeless and tube-type tires. Riding UST Tubeless means no tube, so no friction, and more air volume means a smoother ride. The result is a faster ride with super low rolling resistance.
Refined spokes make this wheelset 80g lighter than its predecessor, the Cosmic Pro Carbon UST. Combined with our all-new Infinity hub platform, which makes them feel quick and responsive out of every corner, they are stiffer and more efficient.
The Cosmic SL 40 is engineered specifically for rim brakes. Our proven iTgMax technology features a patented laser treatment of the brake track that shortens stopping distance in both dry and wet conditions, while a special lay-up and heat treatment process makes it the strongest and most durable of all carbon rims for rim brakes. They are available for Shimano cassettes, and convert to Campagnolo and SRAM XD-R with optional driver bodies.
These wheels are designed, engineered and patented by Mavic in Annecy, France, and are 100% handmade in our European carbon factory.
The rim is engineered with a NACA rim profile that’s 40mm deep and 26mm wide, designed specifically for all-rounder performance on flat or hilly terrain. The new rim bed shape makes it easier than ever to fit tubeless and tube-type tires. Riding UST Tubeless means no tube, so no friction, and more air volume means a smoother ride. The result is a faster ride with super low rolling resistance.
Refined spokes make this wheelset 80g lighter than its predecessor, the Cosmic Pro Carbon UST. Combined with our all-new Infinity hub platform, which makes them feel quick and responsive out of every corner, they are stiffer and more efficient.
The Cosmic SL 40 is engineered specifically for rim brakes. Our proven iTgMax technology features a patented laser treatment of the brake track that shortens stopping distance in both dry and wet conditions, while a special lay-up and heat treatment process makes it the strongest and most durable of all carbon rims for rim brakes. They are available for Shimano cassettes, and convert to Campagnolo and SRAM XD-R with optional driver bodies.
These wheels are designed, engineered and patented by Mavic in Annecy, France, and are 100% handmade in our European carbon factory.
Specifications
Rims
- Material: 100% carbon fiber
- Height: 40 mm
- Drilling: traditional
- Tire: UST Tubeless and tubetype
- Internal width: 19 mm
- ETRTO size: 622x19TC
- Use with Mavic Tubeless Tape
- UST tubeless technology
- iTgMAX carbon clincher technology for rim brake
Spokes
- Material: steel
- Shape: straight pull, flat, double butted
- Nipples: aluminum, ABS
- Count: front 18, rear 24
- Lacing: front crossed 2, rear Isopulse
- Isopulse lacing design
Hubs
- Front and rear bodies: aluminum
- Axle material: aluminum
- QRM Auto bearing preload technology
- Instant Drive 360 freewheel technology
Versions
- Freewheel: Shimano/Sram
Compatibility
- Freewheel: Shimano/Sram, convertible to Campagnolo ED11, N3W and XD-R with optional driver bodies
- Front axle: Quick Release only
- Rear axle: Quick Release only
Compatible Adapters and freewheel bodies
- ID360 Shimano / Sram Light freewheel body (V3850101)
- ID360 Campagnolo freewheel body (V3440101)
- ID360 XD-R freewheel body (V2580101)
- ID360 Shimano / Sram freewheel body (V3430101 - Delivered on the wheel)
- ID360 N3W freewheel body (V4270101)
Delivered with
- BR301 quick releases
- Carbon brake pads
- UST valve and accessories
- Pre-installed tubeless rim tape
- User guide
Intended use
- ASTM CATEGORY 1 : road only
- For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg, bike included
- Maximum tyre pressure: 6.75bar/97PSI with a 23mm tyre - 3.8bar/55PSI with a 62mm tyre
- Recommended tire sizes: 25 to 32 mm
- Max. Pressure: see indication on wheel and tire. If they differ, use the lowest of the 2
Key technologies
Instant Drive 360 freewheel technology
The new Instant Drive 360 freewheel system is super light and efficient. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile.
Isopulse lacing design
Optimum energy transfer
The spokes are laced radially on the drive side and crossed 2 on the non drive side to maximise drive side dish, thus providing a better spoke tension balance between left and right flanges.
QRM Auto bearing preload technology
Qualité de Roulements Mavic Auto
Our latest innovation. Those cartridge bearings are of course double sealed with C3 internal clearance. Their preload is automatically adjusted to guarantee a perfect spin with no play on the long run.
iTgMAX carbon clincher technology for rim brake
Integral Glass Transition Temperature
iTgMAX consists in an inner rim bed finished with multiple layers of seamless carbon fiber to achieve a unique one-piece rim contour without cutting any fibers. The brake track is then finished with a laser machining to ensure the best braking efficiency
