Bike Bottom Brackets

Shop bike bottom brackets for road, mountain, gravel, hybrid and electric bikes at Xtremity Sports.

Our range includes threaded and press-fit bottom brackets for different frame standards, cranksets and axle sizes. Choosing the correct shell width, fitting type and axle compatibility is essential for smooth pedalling, reliable performance and reduced drivetrain noise.

Whether you are replacing a worn bottom bracket or completing a drivetrain repair, our team can help you identify a suitable option for your bike and existing components.

Browse our available bike bottom brackets online with free UK delivery on orders over £75, or visit our shop in Park Gate, Southampton, for expert compatibility advice.