Precision CNC machined aluminium tool for the installation and removal of 16-notch external bearing bottom brackets. Featuring updated tooth profiles to optimize the fit between the tool and high-performance BB parts. Anodized and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8″ drive.
Park Tool Bottom Bracket Tool – Ultegra (BBT-59.2) / 16-Notch (BBT-69.4) / 12-Notch (BBT-79.3)
$48.00
Product Details
Precision CNC machined aluminium tool for the installation and removal of 16-notch external bearing bottom brackets. Featuring updated tooth profiles to optimize the fit between the tool and high-performance BB parts. Anodized and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8″ drive.
BOTTOM BRACKET / LOCKRING TOOL — 16-NOTCH
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. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive.
The BBT-69.4 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage.
BOTTOM BRACKET TOOL — 12-NOTCH
A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30, and others. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive.
The BBT-79.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage.
Measurements
BBT-59.2 FEATURES
-16 notch 41mm OD cups
-Fits Shimano® BBR60 (Ultegra® 11-speed 6800 series), Shimano® MT-800
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:
– Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded bottom bracket cups
– Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others
– Center lock disc brake rotor lockrings
Bafang BBSH, BBS02 mid-drive motor lockrings
– 3/8 & quot; drive fitting
BBT-79.3 FEATURES
Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47 mm and a minor diameter (inside of notches) of 44 mm, including:
– SRAM® BSA DUB®
– Race Face® Cinch®
– Rotor® BSA30
– Zipp® Vuma™
– Hawk Racing™ BB3086™
and more
– 3/8 & quot; drive fitting
