Park Tool BBT-79.3 Bottom Bracket Tool
Best precision tool for mechanics maintaining modern threaded bottom brackets.
A high-precision tool designed for seamless bottom bracket maintenance. Its CNC-machined aluminum construction ensures a perfect fit, while the integrated drive compatibility allows for precise torque application, making it an essential addition to any serious mechanic's kit.
$30.95
at
World Class Bikes
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Who it's for
- Professional mechanics needing tools that survive daily shop use
- Cyclists protecting expensive components from slipping or damage
- Home mechanics requiring precise torque specs for proper installation
Who should skip it
- Casual riders on a budget looking for affordable maintenance gear
- Mechanics working on bikes with varied bottom bracket standards
- Beginners lacking a collection of ratchets or torque wrenches
Performance breakdown
Engagement Precision
CNC-machined notches ensure a secure, slip-free fit on delicate bottom brackets.
Build Durability
High-quality aluminum construction withstands the high torque required for stubborn installations.
Tool Versatility
Compatible with a wide range of modern 12-notch threaded standards.
Ease of Use
Standard 3/8-inch drive integrates seamlessly with your existing torque wrench collection.
Stability Control
Integrated threads allow for the BBT-RS retaining system to prevent slippage.
Finish Quality
Anodized coating provides excellent corrosion resistance and quick visual identification.
Key Specs
Material
Aluminum
Drive Size
0.375 inches
Tool Type
Bottom Bracket Tool
Compatibility
12-notch threaded bottom brackets (45–47 mm major diameter, 44 mm minor diameter)
Compatible Components
SRAM BSA DUB, Race Face Cinch, Rotor BSA30, Zipp Vuma, Hawk Racing BB3086
Number of Pieces
1
Number of Functions
1
Compatible with Park Tool BBT-RS Bottom Bracket Tool Retaining System
Know before you buy
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Ask Metto anything about the Park Tool BBT-79.3 Bottom Bracket Tool before you decide.
