"Mavic’s totally new carbon profile – 45 mm height and 23 mm inner width; the perfect combination for any high?end road bike
Main features
Adaptive Layup : Strong where it matters, light everywhere else
Carbon is lighter than alloy, but weight always add up.
Using the right amount of fibers where the rim is less stressed to reduce rim weight with no compromise on reliability, this gives wheels that are livelier and more enjoyable while climbing. Up to 70g saved per rim."