RK M420H Heavy Duty Motorcycle Drive Chain with Master Link

RK M420H Heavy Duty Motorcycle Drive Chain

Keep your small-displacement bike running strong with the RK M420H Heavy Duty Drive Chain — a trusted, budget-friendly replacement chain engineered for motorcycles that don't require an O-ring chain. Built for reliable power transfer and everyday durability, this chain is an ideal upgrade or replacement for mini bikes, dirt bikes, pit bikes, and entry-level street bikes.

Key Features

• Heavy Duty (H) construction for enhanced strength over standard chains
• 420 pitch — compatible with a wide range of small-displacement motorcycles
• Includes clip-style master connecting link for easy installation
• Non O-ring design — ideal for bikes not spec'd for O-ring chains
• Available in multiple link counts: 100, 120, 130, 132, 136 links, and Master Link only

Fitment

Verify your bike's sprocket pitch and link count before ordering. The M420H is commonly used on 50cc–110cc motorcycles, pit bikes, and mini motos. Always consult your owner's manual for correct chain specifications.

Why RK?

RK Excel is a globally recognized leader in motorcycle chain manufacturing, trusted by OEMs and riders worldwide. The M420H delivers the quality and reliability RK is known for, at an affordable price point.