BBT-69.4 Bottom Bracket Tool 16-Notch Full Finger Compatible with most 512 speed

Compatible with most 512 speed cassettes and freewheels

With a large

You can’t see internal low-density construction

Growler Alloy 2020

The HSF Stem cap is only compatible with the 1/Seventeen stem (not the 1/Seven) and the HSF Aeria bottle

BBT-69.4 Bottom Bracket Tool 16-Notch Full Finger Compatible with most 512 speedA precision CNC machined aluminum tool for the installation and removal of select components with 16 notch tool fittings, including bottom brackets, center lock disc brakes, and e bike motor lockrings. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Fits 16 notch tool fittings with a major diameter (outside of notches) of 4445 mm and a minor diameter (inside of notches)