Park Tool 12-spline bottom bracket tool

A precision CNC machined aluminium tool for installing and removing certain threaded bottom bracket shells with 12-notch tool fittings, including Praxis Works® M30.

Manufactured in-house by Park Tool, anodised for easy identification and featuring a 3/8" drive compatible with a ratchet/torque wrench.

Suitable for 12-notch threaded bottom bracket tool fittings with a major diameter (outside the notches) of 48 to 50 mm and a minor diameter (inside the notches) of 46.3 mm.