Park Tool LRT-4 Lockring Tool
Precisely machined for a perfect fit, the LRT-4 removes and installs lockrings found on many Shimano® direct-mount chainring systems. Features a 36 mm hex fitting for use with the Park Tool TWB-36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Precisely CNC-machined from 6061 aluminum for a perfect fit and to prevent marring expensive parts, with a machined flat face for optimal lockring engagement.
Fits lockrings with 41 mm outside diameter and 16 notches including:
- Shimano® XTR® 9120
- Shimano® XT® 8120
- Shimano® MT900
- Other Shimano® direct mount systems
Product Information
Product Information
Shipping & Returns
Shipping & Returns


Park Tool LRT-4 Lockring Tool
Park Tool LRT-4 Lockring Tool
Precisely machined for a perfect fit, the LRT-4 removes and installs lockrings found on many Shimano® direct-mount chainring systems. Features a 36 mm hex fitting for use with the Park Tool TWB-36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Precisely CNC-machined from 6061 aluminum for a perfect fit and to prevent marring expensive parts, with a machined flat face for optimal lockring engagement.
Fits lockrings with 41 mm outside diameter and 16 notches including:
- Shimano® XTR® 9120
- Shimano® XT® 8120
- Shimano® MT900
- Other Shimano® direct mount systems
Original: $29.03
-65%$29.03
$10.16Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Precisely machined for a perfect fit, the LRT-4 removes and installs lockrings found on many Shimano® direct-mount chainring systems. Features a 36 mm hex fitting for use with the Park Tool TWB-36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Precisely CNC-machined from 6061 aluminum for a perfect fit and to prevent marring expensive parts, with a machined flat face for optimal lockring engagement.
Fits lockrings with 41 mm outside diameter and 16 notches including:
- Shimano® XTR® 9120
- Shimano® XT® 8120
- Shimano® MT900
- Other Shimano® direct mount systems



















