Park Tool LRT-3 Lockring Tool
Top Pick
Park Tool

Park Tool LRT-3 Lockring Tool

4.7

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

In stock

at

Lewes Cycle Sports

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.

Excellent

Torque Precision

The 36mm hex drive allows for exact torque wrench calibration during installation.

Excellent

Interface Compatibility

Covers the most common e-bike and modular crank standards with ease.

Excellent

Ease of Use

Simplifies complex lockring removal without requiring specialized mechanical expertise.

Excellent

Surface Protection

Precision machining prevents slipping and marring of delicate lockring notches.

Excellent

Versatility

Dual-notch design handles both 4-notch and 8-notch systems effectively.

Excellent

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

Know before you buy

Still have a question?

Ask Metto anything about the Park Tool LRT-3 Lockring Tool before you decide.

Park Tool LRT-3 Lockring Tool

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