Wheels Bottom Bracket Press Essential Kit Description: The Wheels Bottom Bracket Press Essential Kit is designed to press in all current Wheels Mfg bottom brackets and bearings along with many others. Machined to the highest standards, simple to use, and a great economical option for the home shop. If you are into doing complete overhauls or building up a new ride, the Essential Bearing Press is a must. Features: Bottom Bracket and bearing installation kit with 1/2" press rod and handles Easy to use, for true and smooth press fit bottom bracket installations Perfectly machined drifts to fit common bottom bracket shells and bearing diameters Made in the USA Includes: (2) 6802/29 OB 1/2" (2) 22 x 37 Drift 1/2" (2) 6806 OB 1/2" (2) 24 x 37 OB 1/2" (1) 1/2" Frame Drift (1) 1/2-13 x 9.7" Threaded Rod UNC Drifts fit the following shell sizes: BB30 (42mm) PF30 (46mm) BB86, BB92 (41mm) BBRight (46mm) BB386EVO (46mm) Cannondale BB30A (42mm) Cannondale PF30A (46mm) Specialized Carbon OSBB (46mm) Specialized Alloy OSBB (42mm) TREK BB90, BB95 (37mm) PF24 (41mm) Drifts fit the following sealed bearing inner diameters: 22mm 24mm 29mm 30mm