The new External Bottom Bracket Socket is designed to work seamlessly with Pedro's snap-channel Pro Socket handle, with any 24mm socket/wrench, with any square 3/8"" drive, or in a bench vise.

- fits 16-notch x 44mm external bearing bottom bracket cups including Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups
- also fits many external Threaded types for Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, and others
- the new design will now also fits disc brake rotor lockrings with 16 external notches and Shimano TL-FC24 and TL-FC25 adapters