The Park Tool BBT-47-12 Bottom Bracket Tool — 12-Notch, click to enlarge
More Images

Item # BBT-47-12

/ Tools / Crank & Bottom Bracket

Bottom Bracket Tool — 12-Notch

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including Chris King® ThreadFit™ T47 & ThreadFit™ 30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.

View Product Details


E-gift cards must be purchased individually. Adding this product will remove the e-gift card currently in your cart. Would you like to continue?

BBT-47-12 Features

Fits 12-notch bottom bracket tool fittings with a major diameter of 50–53 mm and a minor diameter of 48.2 mm, including:

  • BBInfinite T47
  • Chris King® ThreadFit™ T47
  • Chris King® ThreadFit™ 30
  • Enduro® BBRight Torqtite
  • Hambini T47
  • Rotor® T47 External 30mm
  • Rotor® BBright, BB30, BB386EVO, and PF30 thread-together

Product Fitment

Below is a filterable table of bottom bracket models the BBT-47-12 is compatible with. For a full list of tool compatibility, see our Bottom Bracket Tool Finder.

BBInfinite™ Threaded T47 External (non-drive side)
BBInfinite™ Threaded T47 Internal
Chris King® Threaded T47 30i, 24i, 30x, and 24x
Enduro® Thread-Together BBright™ TorqTite® (non-drive side)
Hambini™ Threaded T47
Rotor® Threaded T47 External 30mm
Rotor® Thread-Together BBright™, BB30, PF30, and BB386EVO™
BBT-47-12 Bottom Bracket Tool