Park Tool BBT-59.3 bottom bracket tool

A precision tool made from CNC-milled aluminum for the installation and removal of selected threaded bottom brackets with a 16-notch connection, including Shimano® Ultegra® BBR60 and Deore XT® MT-800 bottom brackets. Manufactured by Park Tool, anodized for easy identification and with a 3/8" drive 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 clamping system to apply even, adjustable pressure on the tool, ensuring full engagement in the tool holder and preventing slippage.

Features:

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

• Shimano® Ultegra® BBR60
• Shimano® Deore XT® MT-800
• For 3/8" ratchets