10-11-12-speed mountain bike shifting

SRAM GX Eagle Single Click shifter rear including clamp, LunarThe GX Eagle Single Click shifter is optimized for the specific demands of E-MTB. Its limited single-gear downshift function helps prevent premature chain wear or breakage. The shifter comes in the GX Eagle colorway, which matches all colors of cassettes and chains from the Eagle color system – black, gold, rainbow, and the new copper.- Specific E-MTB use means simplified shifting control and focuses on maintaining drivetrain life- Compatible with MatchMaker X clamp- GX Eagle colorway, which is part of the Eagle color schemes and complements all Eagle cassette and chain colors perfectlySpecification:Speeds: 12Weight: 122 gTechnologies: Eagle, MatchMaker X, X-ACTUATION, ZERO LOSSColor: LunarCompatibility: Eagle (10-50t, 10-52t)Materials: AluminumFeatures: 1 max downshift, multi-positionHardware: MatchMaker XTechnical designation: 00.7018.432.000