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 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive.

Fits 36-notch bottom bracket tool fittings with a major diameter of 5153 mm and a minor diameter of 50.7 mm, including:

– Box Two Oversized M35
– Praxis Works M35