Bottom Bracket Press Pro Install KitComplete tool kit for installing Wheels Manufacturing bottom brackets. Kit includes our new bottom bracket socket tool for installing our BB cups, along with new sealed bearing drifts for the following ID bearings: 22mm 24mm 29mm 30mm Bottom Bracket Press Pro Install Kit includes: UNC 48mm 16 notch Socket x (1) 22x37 DRIFT 1 2" x (1) 6806 OB 1 2" x (2) 24x37 OB 1 2" x (2) 6806 29 OB 1 2" x (2) 1 2" FRAME DRIFT x (1) 1 2 13 x 9. 7" THREADED ROD UNC x