Park Tool BBT-59.3 Bottom Bracket Tool - 16 Notch

Park Tool BBT-59.3 Bottom Bracket Tool - 16 Notch

Features:

• Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 41–42 mm and a minor diameter (inside of notches) of 39 mm, including: Shimano Ultegra BBR60, Shimano Deore XT MT-800