RK 525 Standard Chain RK's Standard Chain is engineered for motorcycles with less demanding power needs. This non-sealed chain enhances durability through cold forged solid bushings, specialized coating, and four rivet staked pins, marking a 40 lifespan improvement. Ideal for low displacement motorcycles originally equipped with an unsealed chain. Features: Cold forged solid bushings 4 rivet staked pins RK's specially formulated coating Clip type master link Made in Japan Specifications: Tensile strength: 6,800 lbs Max cc rating: 400cc street applications Max horsepower rating: 30hp Note: Not recommended for off-road use. RK recommends this chain as a replacement for bikes that come with an unsealed chain from the factory.