PARK TOOL - BBT BOTTOM BRACKET SOCKETS 16-NOTCH
Bottom brackets occasionally require removal for service, replacement, or upgrading.
BBT-19.2 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a 44-45 mm major diameter (outside of notches) and 42.7 mm minor diameter (inside of notches), including:
BBT-27.3 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 48-50 mm and a minor diameter (inside of notches) of 46.4 mm, including:
BBT-47-16 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 52–54 mm and a minor diameter (inside of notches) of 48.8 mm, including:
BBT-49.2 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including:
BBT-59.3 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:
BBT-69.4 FEATURES
Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including: