The SRAM GX Eagle Single Click shifter has been optimized for the specific demands of E-MTB. Designed to help eliminate premature chain wear and chain breaking by limiting the pull lever to a single engagement. With Eagle Colour-system, it comes in the GX master colourway to go with any cassette and chain colour choice you might go with from Black to Gold to Rainbow to all-new Copper. Designed to work with the demands of an electrically assisted drivetrain though perfectly compatible with standard human powered set-ups. FEATURES E-MTB specific. Limits the pull lever to a single engagement to help eliminate premature chain wear and chain breaking. Master GX Eagle group colourway to match all cassette and chain colours as part of Eagle Colour-system. Compatible with the new SRAM 52 tooth cassettes SPECIFICATIONS Speeds: 12 Compatible - Derailleur/Hub (SL): RD:12s Cable pull ratio: X-actuation Colour (SL): Lunar Cable length (SL): 2200mm Shifter type: Trigger Matchmaker compatible: Yes Clamp included?: Yes Max upshifts: 1 Pull lever adjust: No Multi-position: Yes Gear indication: No