Park Tool LRT-1
Best specialized tool for precise bicycle drivetrain maintenance.
This specialized tool simplifies the maintenance of specific electric bike drive units. It provides the necessary interface to securely remove and install lockrings, making drivetrain service accessible for home mechanics.
$30.95
at
Cambria Bike
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Who it's for
- E-bike owners with Shimano STEPS motors needing precise chainring service.
- Bike mechanics and avid DIYers seeking robust, lasting specialty tools.
- E-bike enthusiasts and service centers maintaining specific Shimano models.
Who should skip it
- Cyclists needing a versatile tool for general bike maintenance tasks.
- Home mechanics without a comprehensive set of larger bicycle tools.
- Casual riders or those with non-Shimano e-bikes or traditional bicycles.
Performance breakdown
Build Durability
Heat-treated 4140 steel ensures this tool withstands years of shop abuse.
Fit Precision
Engineered specifically for Bosch systems to prevent slipping or lockring damage.
Torque Compatibility
Standard 3/8-inch drive allows for precise, manufacturer-spec torque wrench application.
Ease of Use
Simple, intuitive design makes complex e-bike maintenance accessible for home mechanics.
System Versatility
Highly specialized tool limited strictly to specific Bosch drive unit models.
Professional Reliability
A shop-grade essential that serves as a direct, dependable factory replacement.
Key Specs
Material
Heat-treated and plated 4140 steel
Drive Size
3/8-inch square drive
Compatibility
Bosch Active Line (chainrings < 20 teeth), Performance Line, and Performance Line CX models
Tool Type
Lockring tool
Number of Pieces
1
Lockring Diameter
50mm
Number of Notches
8
Know before you buy
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Ask Metto anything about the Park Tool LRT-1 before you decide.
