Park Tool BBT-18
Best durable tool for consistent bicycle bottom bracket maintenance.
A specialized solution for servicing 8-notch bottom brackets. It provides the necessary leverage for secure installation and removal, ensuring delicate splines remain undamaged during maintenance.
$27.95
at
World Class Bikes
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Who it's for
- Professional mechanics and frequent home users seeking a long-term investment.
- Mechanics and DIYers working with specific Shimano and ISIS bottom brackets.
- Users needing extra force for seized or overtightened bottom brackets.
Who should skip it
- Cyclists with modern or diverse bottom bracket types.
- Beginners or those preferring an all-in-one, self-contained tool.
- Budget-conscious home mechanics with occasional bottom bracket needs.
Performance breakdown
Engagement Precision
The 8-notch design locks onto cups securely, minimizing slippage risks.
E-Bike Versatility
Essential for servicing modern Bosch and Brose drive units with ease.
Build Durability
Heavy-duty construction withstands the high torque required for stubborn bottom brackets.
Tool Compatibility
Requires a 36mm wrench, which might necessitate an additional shop tool.
Standard Coverage
Covers a wide range of legacy and modern drivetrain standards effectively.
Ease of Use
Simple, intuitive operation makes drivetrain maintenance accessible for most home mechanics.
Key Specs
Tool Type
Bottom bracket and lockring tool
Notch Count
8 notches
Outside Diameter
43.4 mm
Inside-to-Inside Width
38 mm
Notch Width
3.9 mm
Center Hole Diameter
22.5 mm
Drive Compatibility
36 mm wrench or crow foot
Component Compatibility
ISIS, Octalink, Bosch Gen 3/4, Specialized Levo Brose
Know before you buy
Still have a question?
Ask Metto anything about the Park Tool BBT-18 before you decide.
