Park Tool LRT-3 Lockring Tool
Best precision tool for e-bike drivetrain maintenance and crankset service.
A specialized solution for servicing e-bike motor lockrings. It provides the exact interface needed for specific drivetrain systems, ensuring secure removal and installation without component damage.
$27.95
at
The Bikesmiths
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Who it's for
- Mechanics servicing Shimano direct mount chainrings
- Professional shop technicians needing long-term tool reliability
- Home mechanics with existing torque wrenches or shop tools
Who should skip it
- Cyclists needing a universal tool for various lockring standards
- Budget-conscious riders performing a one-time maintenance task
- Beginners lacking a compatible ratchet or wrench set
Performance breakdown
Build Durability
Heat-treated 4140 steel ensures this tool survives years of workshop abuse.
Torque Precision
The 36mm hex drive allows for exact torque wrench calibration during installation.
Interface Compatibility
Covers the most common e-bike and modular crank standards with ease.
Ease of Use
Simplifies complex lockring removal without requiring specialized mechanical expertise.
Surface Protection
Precision machining prevents slipping and marring of delicate lockring notches.
Versatility
Dual-notch design handles both 4-notch and 8-notch systems effectively.
Key Specs
Tool Type
Lockring tool
Compatibility
Fazua Ride 60, Specialized, Cannondale, FSA
Material
4140 heat-treated steel
Drive Size
36mm hex
Lockring Compatibility
47–48mm outside diameter, 4 or 8 notches
Number of Functions
2
Number of Pieces
1
Intended Use
Drivetrain maintenance
Corrosion Resistant
Yes
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