Park Tool BBT-49.3 Bottom Bracket Tool - 16-Notch
Precision CNC-machined tool for perfect engagement
Anodized finish for quick and easy identification
3/8" drive to allow use with torque wrenches/ratchets
Park Tool BBT-49.3 Bottom Bracket Tool - 16-Notch
Designed for 16-notch tool fittings with a 39mm-40mm outer diameter.
Fits threaded bottom bracket cups including Shimano XTR BB93, Shimano Dura Ace BB9000 and select Token models.
Also fits chainring retaining lockrings found on select Shimano STEPS E-Bike systems.
Precision CNC-machined and anodized for easy identification.
3/8" drive rachet and torque wrench compatible for checking when the correct torque has been reached.
Threaded for full compatibility with the Park Tool BBT-RS Retaining System (sold separately).
A precision CNC-machined aluminium tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano® XTR® BB93, Dura-Ace® BB9000, and Token® bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.
The BBT-49.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage.
Features:
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including:
Shimano® XTR® BB93
Shimano® Dura-Ace® BB9000
Shimano® Dura-Ace® BB-R9100
Token® (select models)
Also fits chainring lockrings on Shimano® STEPS square spindle e-bike systems including:
E6000
E6002
E6050
Replacement for Shimano TL-FC38 tool.
*Not designed for use with impact drivers or other power tools.
Type | Bottom Bracket Tools |
SKU | 391971 |





