Mavic Cosmic SL 45 Disc Wheelset

★★★★★ ★★★★★
RRP £1,350.00 Save 10%


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Cosmic SL 45 Disc Wheelset

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Product ID: 1320852

Mavic Cosmic SL 45 Disc Wheelset 2021

Thoroughly versatile, the Mavic Cosmic SL 45 Disc Wheelset amalgamates refined materials and a sophisticated design to promote performance across any parcours, whether mountainous, rolling or flat.

A high grade of carbon fibre is utilised in the rim construction to naturally afford high degrees of power transfer and efficiency while keeping the weight low. This carbon material is meticulously moulded into a 45mm deep NACA wind tunnel tuned profile to not only reduce drag significantly but also to provide vast amounts of stability at high wind yaw angles. The broad, 19mm internal rim width forces tubeless-ready or standard clincher tyres into more voluminous cross-sectional profiles which helps them achieve lower rolling resistance and improved levels of comfort.

Double-butted spokes that are laced in a two-cross pattern, team up with the advanced flange format of the Infinity hubs to grant more even spoke tensions, improved efficiency and enhanced disc brake modulation. The hub shells encase super-smooth bearings while the Instant Drive 360 freehub gives near-instant engagement under load.


  • Mavic Cosmic SL 45 Disc Wheelset
  • Front QR adapters
  • Rear QR adapters for Instant Drive 360
  • UST tubeless-ready tyre valves and accessories
  • User guide


  • A tremendously versatile wheelset that performs exceptionally within any road riding scenario
  • Full carbon rim gives high lateral stiffness while reducing weight
  • NACA wind tunnel tuned 45mm deep rim profile reduces aerodynamic drag markedly but is also highly stable in crosswinds
  • 19mm internal rim width lowers tyre rolling resistance and improves comfort
  • Tubeless-ready and standard clincher tyre compatible
  • Infinity hubs are light, increase power transfer and improve disc brake modulation by optimising spoke tensions
  • Hub automatic bearing preload adjustment gives added bearing durability
  • Instant Drive 360 freehub provide fast engagement under acceleration
  • Double-butted steel spokes are laced in a reliable, strong two-cross pattern


  • Tyre compatibility: UST tubeless-ready clincher or standard clincher
  • Wheel size: 700c
  • Rim: 100% carbon fibre
  • Rim profile: Wide NACA
  • Rim finish: Naked carbon, satin surface
  • Rim depth: 45mm
  • Internal rim width: 19mm
  • External rim width: 26mm
  • Rim internal format: Hooked
  • Spokes: Mavic steel straight pull, flat, double-butted
  • Spoke count:  Front - 24 / Rear - 24
  • Spoke lacing pattern: Front - two-cross / Rear - two-cross
  • Hubs: Front - Mavic Infinity Disc Brake / Rear - Mavic Infinity Disc Brake with Instant Drive 360 freehub
  • Freehub compatibility: SRAM XDR or Shimano HG/SRAM Road 11-speed
  • Brake compatibility: Disc Center Lock
  • Front axle: 12mm x 100mm thru-axle compatible (Convertible to Quick Release with optional adapters (available separately))
  • Rear axle: 12mm x 142mm thru-axle compatible (Convertible to Quick Release and 12x135 thru-axle with optional adapters (available separately))
  • Recommended tyre size: 25mm to 32mm
  • Maximum tyre pressure: See indication on wheel and tyre. If they differ, use the lowest of the two
  • Maximum recommended rider weight: 120kg/265lbs (including rider, bike and any other luggage)
  • Manufacturer claimed weight: Front - 730 grams / Rear - 845 grams / Wheelset - 1575 grams

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