Sram: COMPLETE CONTROLThree decades ago, SRAM was founded on a product called Grip Shift, and an idea that shifting a bike should be easier, better and more intuitive. The new Eagle™ Grip Shift includes new, robust internals that make it even more durable and its shifting performance more precise. But just like the original, it is total control in the palm of your hand.THINGS TO REMEMBEROnly Eagle™ is a complete system-engineered drivetrain designed, tested and proven to deliver the lightest, highest-performing, most durable system for all riders on any trail.Eagle™ technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents.Compatible with all levels of Eagle drivetrain systemsFEATURES AND BENEFITSNew Grip Shift mechanism takes SRAM’s original invention to an increased level of precision, durability.Better feel and added toughnessSPECIFICATIONSSpeeds: 12Derailleur/Hub (SL): RD:12sCable pull ratio: X-actuationColour (SL): BlackCable length (SL): 2200mmShifter type: TwistMatchmaker comp: NoClamp included?: YesMax upshifts: n/aPull lever adjust: n/aMulti-position: n/aGear indication: No