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Mavic Cosmic Pro Carbon SL C 25 Wheelsystem

Mavic Cosmic Pro Carbon SL C 25 Wheelsystem

  • 10/10: Cycling Weekly magazine
  • Best all-round road bike wheels
  • Best braking carbon bicycle wheels

Online Availability: In stock

Now From £540.00 Was From £720.00
Please select all options to see in store availability
This product is available in the following stores:
  • Bruntsfield In Stock
This product is available in the following stores:
  • Bruntsfield In Stock

Product Description


Mavic Cosmic Pro Carbon SL C 25 Wheelsystem

Only 1,450g the pair, Cycling Weekly rated these 10/10 as the best all-rounder carbon road bike wheels with the best braking performance. See full review.

Ultralight full carbon road bike wheels

  • Ultralight full carbon clincher
  • Lowest inertia in its category
  • Weigh just 1,450g. The result: instant acceleration
  • 18 spokes on the front wheel and 24 on the rear for increased lateral stiffness and optimal power transfer

Superior aerodynamic performance

  • 45mm deep NACA (National Advisory Committee for Aeronautics) rim profile reduces drag in all conditions
  • The 17mm (internal width) rim combined with the Mavic 700x25mm tyre (which comes supplied and ready fitted) conforms to the growing consensus that wider tyres are not just more comfortable, they're also faster. More on this.
  • Patented elliptical spokes enhance aerodynamics

‘Best in Class' braking and reliability

  • iTgMax carbon technology for superior heat resistance and reliability
  • Mavic have developed a laser process which removes resin off the braking surface and leaves the carbon fibres intact
  • The result - the best, most predictable carbon wheel braking performance in all weather conditions
  • The unique single carbon layer rim bed wrapping is created without machining or fibre cuts

Instant Drive 360 freehub mechanism
The rear wheel freehub's Instant Drive 360 ratchet drive system is mechanically simpler, lighter weight and it engages almost twice as fast as regular pawl systems.


  • These wheels are sold singly (but don't let that put you off buying the pair)
  • The rear wheel takes a Shimano/SRAM-compatible 9/10/11-speed cassette
  • The rims are 17mm wide (internal width) and 40mm high
  • Recommended tyre size: 700x25 to 700x32mm
  • Straight pull (stronger than J-bend), bladed, double butted steel spokes (18 on the front, 24 on the back)
  • Radial lacing front
  • Isopluse lacing rear - the spokes are laced radially on the drive side and 2-cross on the non drive side to maximise drive side dish, thus providing a better spoke tension balance between left and right flanges.
  • QRM (Qualité de Roulements Mavic) double sealed cartridge bearings are very smooth-rolling, and they're user adjustable
  • Supplied fitted with made to match 127tpi Mavic Yksion Pro tyres (tube and rim tape supplied)
  • The GripLink tyre offers confidence inspiring grip up front
  • The PowerLink rear tyre minimises rolling resistance to help convert power into speed
  • Maximum recommended pressure: 110psi
  • The wheel comes supplied with a pair of carbon brake pads, a quality QR and a multitool that combines a spoke wrench suitable for bladed spokes, a QRM bearing adjuster and a tyre lever
  • The wheelset weighs just 1,450g (front and rear wheels without tyres, tubes, rim tapes and QR) to make climbing easier/faster
  • Recommended maximum weight: 120kg (rider + bike)

The benefits of buying a system built wheel like this - find out more.


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