Compatible with all SRAM 2x10-speed Exact Actuation (ExAct) derailleur systems SpeedMetal full metal indexing with RollingThunder triple-row (120 ball) bearing actuation provides smooth and precise shifting with reduced effort Full range of multi-gear up/down-shifting due to twist design while providing clearance for brake and/or handlebar remote levers Composite/alloy construction with carbon fiber cover and integrated Jaws stationary grip system (convertible to work with any grip option) Includes Gore Ride-On precision cable and housing with lock-on/molded Jaws grips