The RK M420 Standard Chain is a durable replacement chain designed for motorcycles, mopeds, scooters, and other compatible powersports applications requiring an M420 chain size. This 120-link chain is manufactured by RK and identified by manufacturer part number M420-120, providing a reliable fit for applications specified for an M420 standard chain.
Built from heat-treated medium carbon alloy steel, the RK M420-120 is engineered for dependable strength and service life. All components are heat-treated and shot-peened to improve durability under regular riding conditions. Four-point pin riveting and solid rollers support consistent engagement with compatible sprockets, helping deliver smooth and reliable power transfer.
The chain includes a clip connecting link for installation and maintenance convenience. Before installation, confirm that your vehicle uses an M420 chain and that a 120-link configuration is suitable for the required drivetrain setup. Proper sprocket compatibility, alignment, lubrication, and tension adjustment are recommended for optimal performance. The RK brand and M420-120 part number make this chain easy to identify when selecting a direct replacement or service component for compatible applications.
Features:
- Size: M420 standard chain with 120 links
- Model: M420
- Brand: RK
- Manufacturer part number: M420-120
- Construction: Heat-treated medium carbon alloy steel
- Component treatment: Heat-treated and shot-peened for improved strength
- Pin and roller design: Four-point pin riveting with solid rollers
- Connecting link: Clip-style connecting link included
- Fitment: Compatible with motorcycles, mopeds, scooters, and powersports applications specified for M420 chain size