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Park Tool BBT-59.3 Bottom Bracket Tool
Park Tool BBT-59.3 Bottom Bracket Tool
Park Tool BBT-59.3 Bottom Bracket Tool
Park Tool BBT-59.3 Bottom Bracket Tool
Park Tool BBT-59.3 Bottom Bracket Tool
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Park Tool BBT-59.3 Bottom Bracket Tool 2
Park Tool BBT-59.3 Bottom Bracket Tool 1
Park Tool BBT-59.3 Bottom Bracket Tool 3
Park Tool BBT-59.3 Bottom Bracket Tool 4
Park Tool BBT-59.3 Bottom Bracket Tool 5

Park Tool BBT-59.3 Bottom Bracket Tool

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$26.95
MSRP: $26.95
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Description

BBT-59.3

The Park Tool BBT-59.3 Bottom Bracket Tool is a 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.

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

Features:

  • Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 41–42 mm and a minor diameter (inside of notches) of 39 mm
  • Works with Shimano Ultegra BBR60, Shimano Deore XT MT-800, among others
  • 3/8" drive fitting

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

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Reviewed 1/2/2025
by PSBiker
Cycling Enthusiast
Palm Springs, CA
Value Rating
Overall Rating
Well-made -- works like a charm

I bought this rather than an adapter for when I swapped out my SM-BBR60 bottom bracket. Using a dedicated tool with a ratchet handle just seemed like a better way to go. The Park bracket tool is nicely made and will make a nice addition to your tools.

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