Park Tool BBT-69.4 Bottom Bracket / Lockring Tool
Best precision tool for home mechanics servicing modern bottom brackets and rotors.
A versatile, precision-machined solution for servicing a wide array of bottom brackets and lockrings. Its robust aluminum construction and compatibility with standard drive tools make it an essential addition to any home or professional workshop.
$29.95
at
World Class Bikes
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Who it's for
- Mechanics needing secure, slip-free bottom bracket installation
- Home mechanics maintaining both bottom brackets and disc brake rotors
- Professional technicians requiring durable, high-torque shop tools
Who should skip it
- Budget-conscious cyclists preferring affordable, generic alternatives
- Owners of older cartridge or proprietary bottom bracket systems
- Cyclists lacking a compatible torque wrench or ratchet handle
Performance breakdown
Build Durability
CNC-machined aluminum construction offers exceptional resistance to heavy shop-level torque.
Fit Precision
Tight tolerances ensure a secure, slip-free interface with 16-notch components.
Versatility
Handles everything from bottom brackets to e-bike lockrings with ease.
Torque Compatibility
Standard 3/8-inch drive integrates perfectly with any professional torque wrench.
Retention Stability
Integrated threads allow for a retaining system to prevent tool cam-out.
Ergonomics
Lightweight design feels balanced and intuitive during repetitive installation tasks.
Key Specs
Weight
86.18 grams
Material
Anodized Aluminum
Drive Size
3/8 inch
Notch Count
16-Notch
Major Diameter
44–45 mm
Minor Diameter
42.7 mm
Number of Functions
4
Country of Origin
USA
Number of Pieces
1
Know before you buy
Still have a question?
Ask Metto anything about the Park Tool BBT-69.4 Bottom Bracket / Lockring Tool before you decide.
