Park Tool BBT-18 Repair kit

The BBT-18 is a heavy duty, investment cast tool for installing and removing the following:<br><br>Shimano® Octalink® right side bottom bracket cup with external notches<br>Bontrager® ISIS Drive™ bottom bracket cups<br>Front chainring lockring for Bosch® Gen 3 and Gen 4 e-bike systems and Specialized® Levo® Brose® e-bike systemsPARK TOOL BBT-18. Product type: Repair kit, Tool type: Bicycle bracket tool, Recommended usages: Universal. Diameter: 4.34 cm. Quantity per pack: 1 pc(s)