Park Tool Bottom Bracket Tool

Precision CNC machined dual-sided aluminum tool for the installation and removal of 12- and 36-notch external bearing bottom brackets. Anodized for easy identification and featuring a ratchet/torque wrench compatible 3/8-inch drive.

Fits Praxis M30 and M35
- M30: 12-notch 48mm OD cup
- M35: 36-notch 51.7mm OD cup