RK Chains 420H Chain Designed for smaller displacement motorcycles, the RK 420H Chain is a heavy-duty, non-sealed chain that promises reliable performance and longevity. It boasts quad-riveted pins for increased strength and stability, improving the power transfer from the engine to the rear wheel. The cold-forged solid bushings offer superior rigidity and wear resistance, ensuring a durable and long-lasting chain. With a specially formulated coating, the 420H delivers up to 40 longer service life compared to its predecessors. Suitable for both street and light off-road riding, it is an excellent choice for bikes originally equipped with non-sealed chains, offering a blend of durability and simplicity. 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: 4,100 lbs Maximum engine size: 125cc street / 90cc dirt Maximum horsepower rating: 15 HP Maximum chain width: 16.9 mm Includes clip-type master link