Iconic French biking model Mavic has introduced a brand new addition to its long-standing Cosmic vary of highway wheels. The Cosmic S 42 because the title would possibly counsel is a 42mm deep aero profile carbon wheelset that goals to mix efficiency and affordability right into a single package deal.
Retailing for £900 / $999 / €999 the wheels are positioned competitively towards the likes of Hunt’s 40 Carbon wheels and Zipp’s 303S. The Cosmic S 42 are barely narrower than the competitors with a 21mm inner rim width whereas each the Hunt and Zipp alternate options sit round 1mm wider. In actuality, this isn’t going to make a world of distinction with a 28mm tyre fitted but when your intentions lay extra on the unpaved finish of the spectrum with some increased quantity rubber fitted it could be one thing to contemplate.
The Cosmic S 42 wheelset makes use of a 21mm inner rim width and bladed spokes. (Image credit score: Mavic)
Mounted to Mavic’s personal QRM ID360 hubs are commonplace bladed J-bend spokes. These solidify the wheelset’s aero credentials while additionally retaining an ease of upkeep that’s not at all times afforded to aero wheels. J-bend spokes are simple to search out at most bike outlets and are simple to put in and pressure with out the necessity for particular tooling past a spoke key.
The theme of simple upkeep continues with the ID360 (Instant Drive 360) hubs, which have been round for plenty of years now. The design makes use of two ratcheting rings as an alternative of a extra standard pawl design, permitting for higher engagement with a better engaged floor space and makes hub companies a bit simpler.
For those that choose to run a tubeless setup, Mavic provides the Cosmic S 42 with a pair of UST tubeless valves, and can pre-tape the edges. This signifies that all it is advisable do is match any of the very best tubeless highway tyres with some tubeless sealant and inflate the tyre.
The 42mm rim depth and sub 1600 gram complete weight put these wheels firmly within the ‘all-rounder’ class. (Image credit score: Mavic)
Although not the lightest wheels on this class the Cosmic S 42 wheels are available at a decent weight with the entrance wheel tipping the scales at 745 grams and the rear at 850 grams. The complete wheelset weight of 1595 grams places them inside a handful of grams of Zipp’s 303S wheelset solidifying their place within the all-rounder class.
For lots of people deciding to buy a carbon wheelset comes with a point of concern. Mavic contains what they name a 2+1 12 months guarantee with the Cosmic 42 S wheels. Mavic additionally provides crash alternative on all of its carbon rims so if the worst does occur, you received’t have to pay full retail for a alternative.
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Mavic provides the Cosmic S 42 wheelset with a Shimano/SRAM HG freehub physique as commonplace with SRAM XD-R or Campagnolo N3W freehub our bodies accessible for buy individually. Although the hubs come fitted with finish caps for 12×100 and 12×142 through axles they will simply be configured for quick-release hubs with the offered adapters.
