The Sram GX 1x11 Brings 11-speed drivetrains to everybody, at a fair price. It features a lot of the technology offered in the higher end models without breaking your wallet. The GX is designed to ensure rear shifts are smooth, accurate, and predictable while reducing shift force and ghost shifting. This derailleur showcases Sram's proven Roller Bearing Clutch which delivers maximum drivetrain stability and keeps consistent tension on the chain.