BBT-49.3

• Bottom bracket tool — 16 notches
  
• Precision CNC machined aluminum tool for installing and removing certain threaded bottom brackets with 16-notch fasteners, including Shimano® XTR® BB93, Dura-Ace® BB9000 and Token® bottom brackets.
  
• Includes an integrated thread for full compatibility with the Park Tool BBT-RS bottom bracket tool attachment system (sold separately). The BBT-RS uses a spring-loaded adjustable tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the threads and preventing slippage.
  
• Compatible with 16-notch threaded bottom brackets, with an outside diameter (excluding notches) of 39 to 40 mm and an inside diameter (between notches) of 37.6 mm.
  
• Also compatible with the chainring lockrings of Shimano® STEPS square taper systems for electric bikes, including:

Attributes