Sram GX Eagle 12-Speed Trigger Shifter The challenges of riding a mountain bike should be kept to roots, rocks, mud, trees, jumps, drops and breathing. Putting total control of your gear selection into the thumb of one hand, it's simple to find the right gear, right now. The GX EagleT trigger shifter is the control centre of the EagleT drivetrain. Its internal works have been updated to include a 12th gear, and improved to enhance trigger feel, precision and durability. Only EagleT 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. EagleT 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 systems New mechanism creates a smoother and more precise shifting system with exceptional reliability Forged aluminium trigger designed to take a beating MatchMakerT X compatible Speeds: 12 Derailleur/Hub (SL): RD:12s Cable pull ratio: X-actuation Colour (SL): Black Cable length (SL): 2200mm Shifter type: Trigger Matchmaker compatible Clamp included Max upshifts: 5 Multi-positioning