Sram pg830 8sp mtb cassette chain bundlethe sram gx is for people who love to ride without restraint from beginner to expert gx delivers personalised gear choices that take you as far as you want to go engineered in germany sram gx brings the power of riding to everyone everywhere the powerglide technology offers an innovative approach to design optimized for off road and provides super smooth shifting between gears more reliable more durable and better performing go climb a mountain