Park Tool BBT-59.3 Bottom Bracket Tool - 41-42mm

CNC milled precision!

A precision CNC machined aluminum tool for mounting and dismounting selected threaded 16-notch bottom brackets, including Shimano® Ultegra® BBR60 and Deore XT® MT-800 bottom brackets. Manufactured by Park Tool, anodized for easy identification and features a 3/8" drive that is compatible with ratchet/torque wrenches.

The BBT-59.3 features an integrated thread for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tensioning system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool holder and preventing slippage.

Details of the Park Tool BBT-59.3 bottom bracket tool

Fits 16-notch bottom bracket threads with a large diameter (outside the notches) of 41-42mm and a small diameter (inside the notches) of 39mm, including:

• Shimano® Ultegra® BBR60
• Shimano® Deore XT® MT-800

Included in delivery:

• 1x Park Tool BBT-59.3 bottom bracket tool