Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups Webbing And Cord Presta-only head for easy use

Presta-only head for easy use

The 30-liter pack features a dedicated avy-tool pocket and plenty of storage for extra layers

High-flow Blaster™ bite valve self seals after each sip and features a smooth twist on/off bar to prevent leaks when not in use

owner information) can be personalized

Park Tool BBT-18 Bottom Bracket Tool for 8-Notch ISIS Cups Webbing And Cord Presta-only head for easy useThe 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. BBT 18 FEATURES Installs and removes the following components with eight notch tool fittings: Shimano Octalink drive side bottom bracket cups with external notches ISIS Drive bottom bracket cups including Truvativ and Bontrager