The Mavic Cosmic SLR 45 Disc Carbon Wheelset features lighter 45mm rims and Mavic's new UD² finish. This carbon wheelset is the fastest, stiffest and lightest all-rounder for road bikes with disc brakesThis all-new carbon wheelset is a great choice for road riders aiming to be fast and efficient in all types of riding and racing situations. Not only does the 45mm airfoil rim slice through the wind with minimal drag, but it’s also amongst the lightest in its category. This season, the external carbon layer features the new UD² construction for a distinctive look and an even lighter rim laminate, saving another 15g per rim.A new rim laminate coupled with the exclusive Fore Carbon technology leaves the upper rim bridge intact and reinforces the rim only where needed, saving 40g per rim ... More info