Description

PARK TOOL BBT-49.3 16 Notch 39mm Bottom Bracket Tool
Achieve workshop-quality results and ensure the longevity of your drivetrain with the PARK TOOL BBT-49.3 Bottom Bracket Tool. As the professional´s choice for servicing modern external bearing bottom brackets, this tool is engineered for precision and reliability. Designed specifically for high-end components, it provides a secure, positive engagement to prevent any damage to delicate parts during both installation and removal. Its robust design is built to handle the torque specifications required for a secure, creak-free fit, making it an essential addition to any serious cyclist´s or professional mechanic´s toolbox.
Maintain your bike´s transmission like a pro with the PARK TOOL BBT-49.3. This precision-engineered 16-notch, 39mm bottom bracket tool guarantees damage-free installation and removal of select Shimano® XTR®, Dura-Ace®, and Token® bottom brackets. Its exact fit prevents stripping and marring, ensuring even force distribution for reliable torque application. Crucially, it also fits chainring lockrings on select Shimano® STEPS e-bike motors, making it a versatile essential for modern workshops. Invest in professional accuracy and protect your valuable drivetrain components.
The BBT-49.3 features a 3/8″ drive fitting, allowing it to be used with any standard 3/8″ drive torque wrench. This is a critical feature that empowers you to tighten components to the manufacturer´s exact torque specifications, preventing over-tightening that can damage your frame or bottom bracket, and under-tightening that can lead to premature wear and annoying creaks. The tool´s flat face design ensures maximum surface area contact with the bottom bracket cup, delivering stable and consistent force where it´s needed most. Whether you are performing routine maintenance, upgrading your crankset, or building a bike from the ground up, the BBT-49.3 provides the confidence that comes from using the right tool for the job.
Main Features:
* Precision-engineered for an exact fit on 16-notch external bearing bottom bracket cups.
* Designed for maximum engagement to prevent slipping and damage to components.
* Features a versatile design also compatible with specific e-bike motor lockrings.
* Includes an integrated 3/8″ drive fitting for use with torque wrenches and ratchets.
Technical Specifications:
* Attribute: Bottom Bracket Tool
* Tool Type: 16-Notch External Bearing Cup Tool
* Outside Diameter: 39mm
* Notches: 16
* Drive Fitting: 3/8″
* Primary Compatibility: Shimano® XTR® BB93, Dura-Ace® BB9000, Token® Bottom Brackets
* Secondary Compatibility: Shimano® STEPS E-6000, E-8000, E-9000 e-bike motor chainring lockrings