RK Chains 520H Chain The RK 520H Chain is engineered for smaller displacement motorcycles, offering reliable performance and durability. Designed with quad-riveted pins for enhanced strength and stability, it ensures efficient power transfer from the engine to the rear wheel. Its cold-forged solid bushings increase rigidity and wear resistance, making it a long-lasting chain. The 520H also features a special coating for up to a 40 longer service life compared to traditional non-sealed chains. Suitable for street and light off-road use, this chain is a dependable choice for bikes that were originally equipped with non-sealed chains. Features: Heavy-duty non-sealed chain designed for small displacement motorcycles Quad-riveted pins for increased strength and improved load stability Cold-forged solid bushings for enhanced rigidity and durability Special coating provides up to 40 longer chain life Efficient power transfer with reduced flex under load Tensile strength: 7,700 lbs Maximum engine size: 400cc street / 250cc dirt Maximum horsepower rating: 30 HP Maximum chain width: 19.7 mm Includes clip-type master link