TheSram GX Eagle 12 Speed Grip Shifter. Three 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. Only 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. Sram GX Eagle 12 Speed Grip Shifter Features New Grip Shift mechanism takes SRAM’s original invention to an increased level of precision, durability. Better feel and added toughness Sram GX Eagle 12 Speed Grip Shifter Specifications Speeds: 12 Derailleur/Hub (SL): RD:12s Cable pull ratio: X-actuation Colour (SL): Black Cable length (SL): 2200mm Shifter type: Twist Matchmaker comp: No Clamp included?: Yes Max upshifts: n/a Pull lever adjust: n/a Multi-position: n/a Gear indication: No