Mavic cosmic pro carbon exalith road wheelsetthe cosmic pro carbon wheelset is the best value carbon wheel tyre system on the market it provides the best balance of low frontal drag and crosswind stability featuring mavics exclusive exalith 2 technology the rims provide a very high level of durability and braking performance in all weather conditions featuresrims materialmaxtal and 12k carbon fibre height45mm joint sup drillingtraditional brake track exalith 2 weight reduction ism