Park Tool Best-Selling Bottom Bracket Tool BBT-35-12

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including Praxis Works® M30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive.

Fits 12-notch bottom bracket tool fittings with a major diameter of 48–50 mm and a minor diameter of 46.3 mm, including:
– Praxis Works® M30