Park Tool BBT-49.2 Bottom Bracket Tool
Best essential tool for home mechanics servicing modern threaded bottom brackets.
This precision-machined aluminum tool simplifies the installation and removal of 16-notch external bearing bottom brackets. Its updated tooth profile ensures a secure, reliable fit, while the 3/8-inch drive compatibility allows for precise torque application during maintenance.
$26.95
at
Moment Bicycles (Moment Bike Shop)
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Who it's for
- Professional mechanics needing tools that withstand daily shop abuse
- Home mechanics wanting to avoid damaging expensive bottom bracket cups
- Technicians requiring precise torque specs for proper component installation
Who should skip it
- Budget-conscious hobbyists only performing occasional, one-off repairs
- Cyclists looking for a universal tool for multiple bike standards
- Beginners who do not own a ratchet or torque wrench
Performance breakdown
Compatibility breadth
Handles almost every major external bearing bottom bracket standard with ease.
Engagement precision
Laser-cut steel ensures a snug fit that minimizes cup damage risk.
Durability
Industrial-grade construction built to survive a lifetime of shop use.
Ergonomic leverage
Long handle provides the necessary torque for stubborn, seized bottom brackets.
Ease of use
Intuitive design makes bottom bracket maintenance accessible for home mechanics.
Tool clearance
Slim profile fits well in tight spaces around the crankset.
Key Specs
Tool Type
Bottom Bracket Tool
Drive Size
3/8 inch
Compatibility
16-notch external bearing bottom brackets (39mm OD)
Component Compatibility
Shimano XTR BB93, Dura Ace BB9000, Shimano STEPS
Number of Pieces
1
Know before you buy
Still have a question?
Ask Metto anything about the Park Tool BBT-49.2 Bottom Bracket Tool before you decide.
