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Whether you're maintaining your road bike or mountain bike, the BBT-59.3 ensures seamless and hassle-free bottom bracket installation or removal.
Whether you're maintaining your road bike or mountain bike, the BBT-59.3 ensures seamless and hassle-free bottom bracket installation or removal.
Park Tool

Park Tool BBT-59.3 Bottom Bracket Tool 16 Notch 39mm-42mm

£34.99
Size Guide
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Park Tool BBT-59.3 Bottom Bracket Tool 16 Notch 39mm-42mm

Brand:Park Tool

Code:QKBBT593

The Park Tool BBT-59.3 Bottom Bracket Tool is a high-precision, CNC-machined aluminium tool designed for installing and removing select threaded bottom brackets with 16-notch tool fittings. Engineered for compatibility with popular models like the Shimano® Ultegra® BBR60 and Deore XT® MT-800, it supports bottom brackets with a minor diameter of 39mm and a major diameter of 41mm-42mm.

  • Precision Design: CNC-machined from durable aluminium for accurate fit and reliable performance.
  • Wide Compatibility: Works with threaded bottom brackets featuring 16-notch fittings, including Shimano® Ultegra® and Deore XT® models.
  • Easy Identification: An anodized finish ensures easy recognition of the tool in your workshop.
  • Versatile Use: Compatible with 3/8" drive ratchets or torque wrenches for secure and efficient operation.
  • Integrated Thread Design: Fully compatible with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately), which features a spring-based tension system to provide consistent pressure, preventing slippage during use.

Designed and manufactured in-house by Park Tool, this bottom bracket tool combines precision, durability, and ease of use, making it an essential addition to any mechanic's toolkit. Whether you're maintaining your road bike or mountain bike, the BBT-59.3 ensures seamless and hassle-free bottom bracket installation or removal.

NOTE: Do not use Park Tool aluminum bottom bracket tools with impact drivers.

Sizing Information
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