Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch New-in Even longer life for this

Even longer life for this

The wedging forces resulting from the contact pressure between the drive tip and the screw profile securely hold the screw on the tool

Patented Breakaway Peak

Cut with our signature race fit and featuring the same triple-density Race chamois as our Race bib shorts

Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch New-in Even longer life for thisA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 12 notch tool fittings, including Praxis Works M30. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Specifications Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4850 mm and a minor diameter (inside of notches)