The BBT-18 is a heavy duty, investment cast tool for installing and removing the following:
Shimano® Octalink® right side bottom bracket cup with external notches
Bontrager® ISIS Drive™ bottom bracket cups
Front chainring lockring for Bosch® Gen 3 and Gen 4 e-bike systems and Specialized® Levo® Brose® e-bike systems
Shimano® Octalink® right side bottom bracket cup with external notches
Bontrager® ISIS Drive™ bottom bracket cups
Front chainring lockring for Bosch® Gen 3 and Gen 4 e-bike systems and Specialized® Levo® Brose® e-bike systems