Park Tool LRT-4 Lockring Tool
Best precision tool for cyclists maintaining direct mount chainring systems.
A specialized tool designed for the precise removal and installation of direct mount chainring lockrings. Its aluminum construction and flat-face design protect expensive components while ensuring accurate torque application during maintenance.
$26.95
at
World Class Bikes
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Who it's for
- Mechanics working specifically on Shimano Direct Mount systems
- Professional shop technicians needing long-term tool durability
- Mechanics requiring precise torque settings for installation
Who should skip it
- Home mechanics needing a tool for multiple lockring standards
- Budget-conscious buyers looking for generic, multi-purpose alternatives
- DIYers lacking large-format wrenches or 1/2-inch drive ratchets
Performance breakdown
Build Precision
CNC-machined 6061 aluminum ensures a flawless, slip-free fit every time.
Component Protection
Flat-face design eliminates marring on expensive, delicate lockring surfaces.
Torque Accuracy
Standard 36mm hex drive allows precise torque wrench integration for safety.
Ease of Use
Simplifies complex direct-mount maintenance into a straightforward, quick task.
System Compatibility
Covers major Shimano standards but limited to specific direct-mount systems.
Durability
High-grade aluminum construction stands up to repeated shop-level usage.
Key Specs
Material
6061 aluminum
Drive Size
36mm hex
Compatibility
Shimano XTR 9120, XT 8120, MT900, and other direct mount systems
Lockring Specifications
41mm outside diameter, 16 notches
Number of pieces
1
Component Compatibility
Crankset
Intended Use
Bicycle maintenance
Know before you buy
Still have a question?
Ask Metto anything about the Park Tool LRT-4 Lockring Tool before you decide.
