Bike Drivetrain & Transmission Parts

Shop bike drivetrain and transmission parts for road, mountain, gravel, hybrid and electric bikes at Xtremity Sports.

Our range includes chains, cassettes, freewheels, chainrings, derailleurs, shifters, bottom brackets and other essential drivetrain components from trusted cycling brands. Whether you are replacing a worn component, repairing a damaged drivetrain or upgrading your bike, our team can help you find the correct part and compatibility.

Browse our available transmission parts online or visit our shop in Park Gate, Southampton, for expert advice. Professional fitting, repairs and servicing are also available through our workshop.