SRAM Exact Actuation for precise and reliable 10-speed performance. Direct Route technology reduces shifting effort. Cassette with a maximum of 36 teeth. 9V compatible. The 1:1™ ratio is the must in design. Each pulled cable unit moves the derailleur identically. The ratio stays precise and smooth whether you're pedaling through mud, climbing rocks, getting stuck in roots: wherever you are, whatever the conditions. It's reliable, durable and the easiest to adjust. The easiest to adjust. And, not coincidentally, it's the first choice of top mountain bikers. EA helps simplify/stabilize the complex action of balancing the rear derailleur hanger design, the small amount of sprocket space and the perfect cable tension. The result is the easiest index-controlled shifting system to set up, and it stays that way. MatchMaker compatible With MatchMaker, you get a lighter, more streamlined handlebar. This system combines Avid® levers, multiple SRAM® shifters and RockShox PushLoc controls in a dis...