The mavic cosmic pro carbon sl clincher wheelset features an incredibly light and strong carbon design designed for use with disc brakes the cosmic pro wheelset rims have a naca profile for improved aerodynamic performance and better handling in all conditionsfeatures mavic cosmic pro carbon sl tubular wheelset lowest inertia in the category weigh just 450g providing instant acceleration 24 spokes front and rear for increased lateral stiffness and optimal power transfer aero designed for hi