RK M420 Standard Motorcycle Chain, 120 Links (M420-120)

The RK M420-120 Standard Motorcycle Chain is designed for dependable performance on compatible motorcycles, ATVs, and other powersports applications requiring an M420 chain. Built from heat-treated medium carbon alloy steel, this chain delivers a durable balance of strength, wear resistance, and reliable power transfer. Its standard configuration makes it a practical replacement for worn or damaged drive chains.
All components are heat-treated and shot-peened to improve structural strength and help the chain withstand repeated loads, vibration, and everyday riding conditions. Four-point pin riveting helps secure the chain assembly, while solid rollers support consistent engagement with the sprockets. These construction features make the RK M420-120 a reliable choice for routine maintenance, replacement, and drivetrain service.
This RK chain includes 120 links and is supplied with a clip connecting link for convenient installation. Verify sprocket compatibility and the required chain specification before ordering to help ensure proper fit and performance. The RK brand is recognized for producing replacement and original-equipment-style motorcycle chains suited to a wide range of powersports drivetrain applications. Part number M420-120 identifies this specific standard chain configuration.

Features:

• Construction: Heat-treated medium carbon alloy steel for reliable strength and durability

• Component Treatment: All components are heat-treated and shot-peened for improved resistance to operational stress

• Riveting: Four-point pin riveting helps secure the chain for dependable service

• Rollers: Solid rollers support smooth sprocket engagement and consistent power transfer

• Link Count: Includes 120 links for compatible M420 drivetrain applications

• Connecting Link: Includes a clip connecting link for installation and service

• Brand and Part Number: RK M420-120

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