Bottom bracket designed for cranksets with an integrated axle. Compatible with Shimano XT, SLX, and LX. -Compatible with cranks with integrated axle in the popular Hollowtech II system. -Compatible with Shimano XT, SLX, LX cranks. -Ensures smooth rotation. -Durable materials ensure extended life. -Suitable for most types of bicycle frames. -BSA thread. -The set includes left and right cups with bearings.