BBT-69.4 Bottom Bracket Tool 16-Notch Sram Clearance positioning all parts of the

positioning all parts of the bike within reach for any mechanic whether seated or standing

so spilled water bottles are not a problem

It also allows the use of SHIMANO's smartphone and tablet E-TUBE PROJECT software for maintenance and system updates

the shaft and head are not bonded but are 3D-forged from 6061 aluminum

BBT-69.4 Bottom Bracket Tool 16-Notch Sram Clearance positioning all parts of theA precision CNC machined aluminum tool for the installation and removal of select components with 16 notch tool fittings, including bottom brackets, center lock disc brakes, and e bike motor lockrings. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Fits 16 notch tool fittings with a major diameter (outside of notches) of 4445 mm and a minor diameter (inside of notches)