Park Tool 36-spline bottom bracket tool

A precision CNC machined aluminium tool for the installation and removal of certain threaded bottom bracket shells with 36 notches tool fittings, including Praxis Works® M35.

Internally manufactured by Park Tool, anodised for easy identification and featuring a 3/8" drive compatible with a ratchet/torque wrench.

Suitable for threaded bottom bracket tool fittings with 36 notches and a major diameter (outside the notches) of 51 to 53 mm and a minor diameter (inside the notches) of 50.7 mm.