A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano XTR BB93, Dura-Ace BB9000, and Token bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive.

The BBT-49.3 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.

Specifications
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 3940 mm and a minor diameter (inside of notches) of 37.6 mm, including:Shimano XTR BB93,Shimano Dura-Ace BB9000,Shimano Dura-Ace BB-R9100,Token

Mfr Claimed Weight
TBC

Park Tool BBT-49.3 Bottom Bracket Tool – 16 Notch. Park Tool bottom bracket tools for installation and removal of 16 notch bottom brackets.