Unbeatable pro-level ride quality and stability.

40mm deep/25mm wide rims integrate perfectly with 25mm or wider tires
NACA profile provides unbeatable crosswind stability

Climb, sprint and accelerate faster

Rims, spokes and hubs feature a full carbon monobloc construction for minimum weight and maximum rigidity
Incredibly light at only 1220g

Stiffest wheel in its class for sharp handling and maximum power transfer

R2R full carbon spoke technology
Asymmetrical rear rim profile for maximum power transfer
ID360 freewheel technology provides a fast pedaling engagement

The Cosmic Ultimate tubular was created 10 years ago and quickly became the wheel choice for pro racers seeking a competitive advantage. This rim-brake version sees a major redesign with a full carbon rear hub, full carbon lacing and ID360 freewheel technology for improved responsiveness.


  • Rear axle: Quick Release only
  • Front axle: Quick Release only
  • Freewheel: Shimano/Sram, convertible to Campagnolo and XD-R with optional driver bodies

Compatible Adapters and freewheel bodies

  • ID360 Shimano / Sram freewheel body (LV3430100 - Delivered on the wheel)
  • ID360 XD-R freewheel body (LV2580100)
  • ID360 Shimano / Sram Light freewheel body (LV3850100)


  • Pair without tyre: 1215 grams
  • Front without tyre: 550 grams
  • Rear without tyre: 665 grams


  • Front and rear bodies: Carbon
  • Front bearings : adjustable sealed cartridge bearings (QRM+), Rear bearings : auto adjust sealed cartridge bearings (QRM Auto)
  • QRM Auto bearing preload technology
  • Instant Drive 360 freewheel technology
  • QRM+ bearing preload technology
  • Front hub body: Carbon
  • Axle material: aluminum
  • Rear body: aluminum

Intended Use

  • Max. Pressure: see indication on wheel and tyre. If they differ, use the lowest of the 2
  • Recommended tyre sizes: 23 to 32 mm
  • For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesnn't exceed 120kg, bike included
  • ASTM CATEGORY 1 : road only


  • iTgMAX carbon clincher technology for rim brake
  • Material: 3K carbon fibers
  • ETRTO size: 28" tubular
  • Drilling: no holes, spokes molded to the rim
  • Height: 40 mm
  • Tire: tubular
  • Valve hole diameter: 6.5 mm


  • R2R carbon spoke technology
  • Material: unidirectional carbon fiber
  • Lacing: front and rear crossed 2
  • Count: 20 front and rear


  • Color: Black only
Delivered with
  • BR601 Titanium quick releases
  • Multifonction adjustment wrench (delivered with rear wheel)
  • Carbon brake pads
  • User guide
R2R carbon spoke technology

R2R carbon spoke technology

Lighter, stiffer, stronger
Rim to Rim. R2R spokes travelling from one side of the rim to the other through the hub.

iTgMAX carbon clincher technology for rim brake

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

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