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Park Tool BBT-79.3 12-Notch 46mm Bottom Bracket Tool – Precision CNC Bike Maintenance Tool
Park Tool BBT-79.3 12-Notch 46mm Bottom Bracket Tool – Precision CNC Bike Maintenance Tool
Park Tool

Park Tool BBT-79.3 12-Notch 46mm Bottom Bracket Tool

£29.99
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-79.3 12-Notch 46mm Bottom Bracket Tool

Brand:Park Tool

Code:QKBBT793

The Park Tool BBT-79.3 Bottom Bracket Tool is a premium, CNC-machined aluminium tool engineered for the installation and removal of 12-notch threaded bottom brackets. Designed for professional mechanics and home bike enthusiasts alike, this tool ensures precise, secure engagement with bottom bracket fittings, delivering the reliability and performance you expect from Park Tool.

Compatible with a wide range of popular bottom bracket systems, including SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30, Zipp® Vuma™, and Hawk Racing™ BB3086™, the BBT-79.3 is an essential addition to any workshop.

The tool features integrated threads for full compatibility with the Park Tool BBT-RS Retaining System (sold separately), ensuring a firm, slip-free hold during installation or removal. Finished with anodized aluminium for easy identification and added corrosion resistance, this precision tool is built for long-term professional use.

  • Precision CNC-Machined Construction: Made from high-quality aluminium for maximum accuracy and durability.
  • Wide Compatibility: Fits 12-notch threaded bottom brackets with a 45–47mm outer diameter and 44mm inner diameter.
  • Fits Popular BB Systems: Ideal for SRAM BSA DUB, Race Face Cinch, Rotor BSA30, Zipp Vuma, and Hawk Racing BB3086.
  • 3/8” Drive Interface: Compatible with torque wrenches and ratchets for controlled installation and removal.
  • Retaining System Ready: Integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately).
  • Professional Grade Design: Manufactured in-house by Park Tool for consistent precision and workshop-grade performance.
  • Anodized Finish: Easy to identify, corrosion-resistant, and built to withstand heavy workshop use.

Engineered for precision and durability, the Park Tool BBT-79.3 Bottom Bracket Tool offers flawless fit and function for modern threaded bottom brackets. Whether you’re performing regular maintenance or a full rebuild, this tool guarantees secure engagement and professional-grade accuracy every time.

Technical Information
  • Tool Type: Bottom Bracket Tool
  • Drive Type: 3/8” Ratchet/Torque Wrench Compatible
  • Fitting: 12-notch, 46mm (45–47mm OD / 44mm ID)
  • Compatible With: SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30, Zipp® Vuma™, Hawk Racing™ BB3086™
  • Material: CNC-Machined Aluminium
  • Finish: Anodized Silver
  • Product Type: Bottom Bracket Tools
  • Colour: Silver
  • Size: One Size
Sizing Information
Professional Opinion
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