The Park Tool BBT-27.3 Bottom Bracket Tool, click to enlarge
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Item # BBT-27.3

/ Tools / Crank & Bottom Bracket

Bottom Bracket Tool — 16-Notch

A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including FSA® MegaEvo®, Wheels Manufacturing™ T47, & Wheels Manufacturing™ PF30. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.

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BBT-27.3 Features

Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 48-50 mm and a minor diameter (inside of notches) of 46.4 mm, including:

  • FSA® MegaEvo®
  • Wheels Manufacturing™ T47
  • Wheels Manufacturing™ PF30

NOTE: The BBT-27.3 does not fit Hope™ BSA30.

Not designed for use with impact drivers or other power tools.

Product Fitment

Below is a filterable table of bottom bracket models the BBT-27.3 is compatible with. For a full list of tool compatibility, see our Bottom Bracket Tool Finder.

Box® Components Threaded Two™ Oversized M30
FSA® Threaded BB386EVO™
FSA® Threaded BB392EVO™ Crank to BSA Frame
FSA® Threaded MegaEvo®
FSA® Threaded T47
Mahle® Thread-Together Smartbike Systems X20 TCS
Samox® Threaded EB28.99
Token® Thread-Together BB46BR29
Token® Threaded BB386BSA
Token® Threaded BB392BSA
Token® Thread-Together BB38625
Token® Thread-Together BB38629
Token® Threaded T47R30
Token® Threaded T47R386/T47R392
Token® Thread-Together T47V24
Token® Threaded T47V386/T47V392
Token® Thread-Together T47VGXP
Token® Thread-Together TF46BR24
Token® Thread-Together TF46BR30
Token® Thread-Together TF46BRGXP
Token® Thread-Together TF46GXP
Token® Thread-Together TF386GXP
Token® Thread-Together TF4624
Token® Thread-Together TF4630
Token® Thread-Together TF38624
Wheels Mfg™ Thread-Together BB86/92
Wheels Mfg™ Thread-Together BB386EVO™
Wheels Mfg™ Thread-Together BBright™
Wheels Mfg™ Threaded BSA Threaded DUB® and 30mm
Wheels Mfg™ Thread-Together PF30 Outboard DUB® and 30mm
Wheels Mfg™ Threaded T47 Inboard
Wheels Mfg™ Threaded T47 Outboard DUB® and 30mm

Parts & Accessories


Bottom Bracket Tool Retaining System

BBT-27.3 Bottom Bracket Tool - 16-Notch 49mm