Fit & Design:
The SRAM GX design type 2.1 11-speed drivetrain shares key technology with its higher-end modelsX-HORIZON™ design reduces shift force, ghost shifting and chain slap12-tooth X-Sync™ pulley wheels maximize chain control by fitting inner and outer chain links perfectlyTall square teeth engage chain earlier to improve efficiencyLarge upper pulley offset automatically adjusts chain gapAluminum cageSealed cartridge bearingCage Lock™ technology for easy wheel removal and installationCompatible with SRAM 1x11 shifter, chain and cassette for performance (each sold separately)Published weight: 256gLargest cog capability: 42tChain wrap: 32