The RK Standard (M) M520 is a durable 520 non-sealed drive chain built for reliable power transfer on smaller-displacement bikes. Heat-treated and shot-peened components improve strength and longevity, while solid rollers help ensure smooth operation.
The RK Standard (M) M520 chain is a strong, dependable 520 drive chain designed for consistent performance on everyday off-road and street riding up to 250cc. Built from heat-treated medium carbon alloy steel, it’s engineered to handle repeated load changes while keeping power delivery smooth and predictable.
If you need an affordable, reliable replacement chain, the M520 helps reduce the risk of premature stretch and wear thanks to heat-treated, shot-peened components and robust construction. It’s supplied with a clip-type connecting link for straightforward installation and service.
