Park BBT-18 Internal 8 Notch Bottom Bracket Tool

The Tool You Need in Your Arsenal to Defeat ISIS Drive and Octalink BB Related Tasks

Made from bomb proof, investment cast steel, the BBT-18 has 8 notches with an outside diameter of 43.4mm and will dominate any tasks requiring the removal, or reinstallation of ISIS Drive and Shimano Octalink thread in bottom brackets.