The 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®), front chainring lockrings for Bosch® Gen 3, Gen 4, and Gen 5 e-bike systems, and front chainring lockrings for Specialized® Levo Brose e-bike systems.

Mfr Claimed Weight
TBC