Park Tool BBT-69.4 Bottom Bracket Tool A20 and this utility brush will

and this utility brush will get that job done

Zinc-coated for corrosion resistance

• Stack Height: 31-21mm

Delivering long-haul comfort for long trail runs and races

and control boxes with exposed wires

Park Tool BBT-69.4 Bottom Bracket Tool A20 and this utility brush willThe Park Tool BBT 69. 4 is a precision CNC machined aluminum tool for the installation and removal of select components with 16 notch tool fittings, including bottom brackets, center lock disc brakes, and e bike motor lockrings Fits 16 notch tool fittings with a major diameter (outside of notches) of 4445 mm and a minor diameter (inside of notches) of 42. 7 mm, including: Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded