RK Standard (M) M420 is a durable 420 non-sealed drive chain designed for dependable power transfer on small-displacement bikes. Heat-treated and shot-peened components boost strength and wear resistance for everyday riding.
RK Standard (M) M420 Chain is built for riders who want a reliable, easy-to-service 420 drive chain for smaller bikes. With heat-treated medium carbon alloy steel construction and shot-peened components, it’s designed to handle daily abuse while maintaining consistent power delivery and smooth rolling.
If your current chain is stretched, noisy, or causing uneven power transfer, replacing it with the RK M420 helps restore drivetrain efficiency and reduces the risk of skipping or premature wear. The included clip-type connecting link also makes installation and maintenance straightforward—ideal for routine servicing.
