The Sram Force Road Rear Derailleur. Perfection for racers. The perfect group for pro and amateur racers all over the world. SRAM Force delivers all the top features of RED, like the powerful Dual Pivot brakeset, multiple cable routing, and reach adjust of the DoubleTap levers. SRAM’s original road group remains one of the lightest in world, weighing less than 2000 grams. SRAM Force is the perfect choice for any rider looking for an incredible gruppo built around light weight, ergonomic comfort, with incredible efficiency, function and performance. The SRAM Force Rear Derailleur takes advantage of Exact Actuation™, an actuation ratio that delivers precise 3mm shifts in every gear along with the widest range of adjustment available, delivering the best 10 speed performance in the sport. The SRAM Force Rear Mech is crafted with cutting-edge materials, including a unidirectional carbon-fiber outer cage and a magnesium inner link, resulting in an impressively light 178g weight. Sram Force Road Rear Derailleur Features Exact Actuation means precise, even gear changes throughout the shifting range. Carbon-fiber outer cage and magnesium inner link provide strength and light weight. Speeds: 10 Material:Aluminum B-Knuckle, Magnesium Inner Link, Carbon/Aluminum Cage Weight:178g Technology Highlights:Exact Actuation