Mavic Cosmic SLR 40 Wheels Size:Front Wheel Rear derailleur: RD-R9250

Rear derailleur: RD-R9250

effortless release

Material: Cold Forged Aluminum

through to any other electronic device used by the cyclist

Mavic Cosmic SLR 40 Wheels Size:Front Wheel Rear derailleur: RD-R9250This all new carbon wheelset is a great choice for road riders aiming to aiming to be fast and efficient in all types of riding and racing situations. Not only does the 40mm airfoil rim slice through the wind with minimal drag, but its also the lightest in its category. A new rim laminate saves 40g per rim. The spokes attach to the rim without any need to drill the upper rim bed, so no rim tape is required. That means more weight savings (30g) and