BBT-59.3 Bottom Bracket Tool 16-Notch Shimano Di2 Reserve time: 30 min

Reserve time: 30 min

5 hrs Constant / 10 hrs Blinking

It features a dual-density design that pairs cork with EVA foam tape

Four interchangeable nosepiece options provide swimmers with a custom fit

BBT-59.3 Bottom Bracket Tool 16-Notch Shimano Di2 Reserve time: 30 minA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 16 notch tool fittings, including Shimano Ultegra BBR60 and Deore XT MT 800 bottom brackets. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Fits 16 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4142 mm and a minor