A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including FSA® MegaEvo®, Wheels Manufacturing™ T47, & Wheels Manufacturing™ PF30. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.

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 ~46.1 mm, including:

• FSA® MegaEvo®
• Wheels Manufacturing™ T47
• Wheels Manufacturing™ PF30

NOTE: The BBT-27.3 does not fit Hope™ BSA30.

Not designed for use with impact drivers or other power tools.