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Tested: Mavic Cosmic Ultimate Helmet

August 2, 2016
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-Mavic entered the helmet business back in late 2011 with the Plasma, and it wasn’t a bad start considering the fit and adjustability was equal to the best on the market. The second generation line of helmets has not only improved, but it has grown considerably with the Aksium, Aksium Elite, Ksyrium Elite, CXR Ultimate and Cosmic Ultimate now making up the entire line. Both the CXR Ultimate and Cosmic Ultimate share the top spot in the line, with the CXR prioritizing aerodynamics while the Cosmic goes for low weight and greater ventilation.


At 212 grams the Cosmic Ultimate isn’t just the lightest in Mavic’s line, it’s easily one of the lightest on the market thanks to the large, ample vents that reduce overall weight and help with airflow. Also, the Ergo Hold SL retention system is quite minimal, using the least amount of material to do the job. The rear adjustment dial is easy to do on-the-fly, one-handed fine tuning of the fit. Unlike some of the other light-weight helmets on the market that use a fixed ear strap piece that never seems to be at the correct height relative to your ears, the ear straps on the Cosmic Ultimate are adjustable. One particular safety option that is gaining steam as of late is MIPS, which has been shown to reduce injury in certain crashes, but that is not currently an option Mavic is offering.

On the bike, the Cosmic Ultimate did what we long for in all helmets, and that’s for us to never have to think about it until it’s time to take take it off at the end of the ride. We put in a number of long, hot rides with the Cosmic Ultimate and appreciated how well it vented, even at slow speeds when airflow was at a minimum.


  • Lightweight
  • Great ventilation


  • No MIPS option


Price: $219.95
Weight: 212 grams (Medium)
Sizes: Small, Medium, Large



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