The RK M420 Standard Chain is a dependable replacement drive chain for compatible motorcycles, minibikes, and powersports applications that use a 420 chain size. This 72-link chain is manufactured by RK and identified by manufacturer and vendor part number M420-72, making it easy to match with the correct replacement specification.
Built from heat-treated medium carbon alloy steel, the RK M420-72 is designed to provide reliable strength and service life in demanding chain-drive systems. All components are heat-treated and shot-peened to improve durability and resistance to operational stress. Four-point pin riveting helps support secure assembly, while solid rollers promote consistent engagement with compatible sprockets.
Feature: The chain includes a clip connecting link for installation and maintenance convenience. Before installation, verify that your vehicle requires a 420-size chain and confirm the original chain length or sprocket setup matches 72 links. Proper fitment depends on the motorcycle or powersports model, year, sprocket configuration, and manufacturer specifications. The RK M420 Standard Chain should be installed with compatible 420 sprockets and adjusted according to the vehicle manufacturer’s service instructions.
Manufactured by RK, the M420-72 combines practical construction and straightforward serviceability for riders, repair shops, and powersports maintenance applications. Always inspect the chain, connecting link, and sprockets during installation, and replace worn components as needed for proper drivetrain operation.
Features:
- 420 chain size with 72 links for compatible motorcycle and powersports applications
- Heat-treated medium carbon alloy steel construction for dependable strength
- All components heat-treated and shot-peened for improved durability
- Four-point pin riveting supports secure, consistent chain assembly
- Solid rollers promote reliable engagement with compatible sprockets
- Includes a clip connecting link for convenient installation and service
- Brand: RK
- Manufacturer part number: M420-72
- Vendor part number: M420-72