SRAM Exact Actuation for precise and reliable performance in 10 speeds. Direct Route technology reduces the effort required for shifting. Cassette with a maximum tooth count of 36 teeth. Compatible with 9-speed systems. The 1:1™ ratio is a must-have in terms of design. Each pull of the cable moves the derailleur in the same way. The ratio remains precise and smooth, whether you're pedaling through mud, climbing over rocks, or getting caught in roots: wherever you are, no matter the conditions. It is reliable, durable, and the easiest to adjust. It is the simplest to customize. And it's no coincidence that it is the premier choice of top mountain bikers. EA helps simplify and stabilize the complex task of finding the balance between the design of the rear dropout, the limited space for the sprocket, and the perfect cable tension. The result is the easiest finger-controlled shifting system to set up and maintain. Compatible with MatchMaker. With MatchMaker, you gain lightness and simplicity in the handlebar area. This system combines Avid® levers, multiple SRAM® shifters, and the PushLoc control from RockShox, all with a discreet and lightweight clamp.