Park Tool BBT-49.2 Bottom Bracket Tool, click to enlarge
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Item # BBT-49.2

(discontinued) / Tools / Crank & Bottom Bracket / E-Bike

Bottom Bracket Tool — 16-Notch 39mm OD

The BBT-49.2 has been discontinued and replaced by the BBT-49.3.

Precision CNC machined aluminum tool for the installation and removal of 16-notch external bearing bottom brackets. Featuring updated tooth profiles to optimize the fit between the tool and high performance BB parts. Anodized and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8" drive.

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BBT-49.2 Features

  • 16 notch 39mm OD cups
  • Fits: Shimano® XTR® BB93, Dura-Ace® BB9000, Token®
  • Added depth to fit chainring lockrings on Shimano® STEPS square spindle e-bike systems including E6000, E6002, & E6050
  • Replacement for Shimano TL-FC38 tool

Product Fitment

Below is a filterable table of bottom bracket models the BBT-49.2 is compatible with. For a full list of tool compatibility, see our Bottom Bracket Tool Finder.

Shimano® Threaded Dura-Ace® and XTR® Outboard
BBT-49.2 Bottom Bracket Tool