Iconic French biking model Mavic has introduced a brand new addition to its long-standing Cosmic vary of street wheels. The Cosmic S 42 because the identify 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 inside 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 greater quantity rubber fitted it may be one thing to think about.
The Cosmic S 42 wheelset makes use of a 21mm inside rim width and bladed spokes. (Picture 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 isn’t at all times afforded to aero wheels. J-bend spokes are simple to search out at most bike retailers and are simple to put in and stress with out the necessity for particular tooling past a spoke key.
The theme of simple upkeep continues with the ID360 (Immediate Drive 360) hubs, which have been round for a variety of years now. The design makes use of two ratcheting rings as a substitute of a extra typical pawl design, permitting for higher engagement with a larger engaged floor space and makes hub companies a bit of simpler.
For many who desire to run a tubeless setup, Mavic provides the Cosmic S 42 with a pair of UST tubeless valves, and can pre-tape the edges. Which means that all you’ll want to do is match any of the greatest tubeless street 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. (Picture credit score: Mavic)
Though 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 entire 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 consists of what they name a 2+1 12 months guarantee with the Cosmic 42 S wheels. Mavic additionally presents crash alternative on all of its carbon rims so if the worst does occur, you received’t must pay full retail for a alternative.
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Mavic presents 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. Though 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.
