Beautiful balance using a 45 mm deep naca profile creates low drag in any condition pair this with a perfectly integrated 25 mm external rim width and 25 mm tyre to give you low drag and easy crosswind steering perfect efficiency and low weight the complete wheelset weighs just 1650 g and the instant drive 360 freewheel gives you a smooth ride and keeps your climbing fast exalith treatment for optimal braking the mavic exclusive exalith 2 technology for aluminium rims has been refined to prov