Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch D3 Built to serve the most

Built to serve the most demanding riders in the lightest weight configuration

Two side pockets and zippered back pocket

2x NUTRITION COMPARTMENT for bars or 150 ml liquid/gel (each)

The Launch D3O® Knee Guards offer an excellent combination of impact-absorbing protection with a value-focused build

Park Tool BBT-18 Bottom Bracket and Lockring Tool - 8-Notch D3 Built to serve the mostThe BBT 18 is a heavy duty investment cast tool for removing and installing components with an eight notch tool fitting, including select cartridge bottom brackets, as well as chainring lockrings on some e bike drivetrains. Specifications Installs and removes components with eight notch tool fittings, including Shimano Octalink drive side bottom bracket cups with external notches, ISIS Drive bottom bracket cups (including Truvativ and Bontrager),