The RENTHAL 428 R1 - Works Chain - 130 Links C272 is expertly crafted for high-powered mini racing machines with up to 100cc capacity that require a 428 non-O-ring chain. Designed for performance, this chain features advanced materials and construction techniques to ensure durability and reliability in competitive racing environments. Features: * Designed for high-powered mini racing machines up to 100cc capacity * Shot-peened alloy steel side plates for increased strength * Extended bushings to minimize friction between outer and inner link plates * Ultra-high 4,496 lb. average tensile strength for maximum power transmission * Case-hardened alloy steel bearing pins for superior wear resistance * Gold-colored side plates to help reduce corrosion * Perfectly matches with Renthal sprockets for optimized performance * Includes clip type link for easy installation