Sram gx 1x11 speed drivetrain bundlethe sram gx 11 speed components feature step down technology found on the higher priced xx1 range if youre on a budget and like the idea of running a modern 11 speed drivetrain then this could be the bundle for you with so much variation to customise the exact specification that you desire your bike will be unique once the components are fitted use our start below button to personalise your sram gx 1x11 speed drivetrain bundle