Est. 1982

Park Tool BBT-35-36 Notch 51–53mm Bottom Bracket Tool / PraxisWorks M35

Park Tools

New Item #BBT-35-36

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 36-notch tool fittings, including Praxis Works® M35. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.

  • Fits 36-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 51–53 mm and a minor diameter (inside of notches) of 50.7 mm, including Box® Two Oversized M35 and Praxis Works® M35

The BBT-35-36 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.