Experience superior performance with the Renthal 520 R33 Drive Chain, part number C413. Designed with advanced features, this chain utilizes Renthal's innovative Self-Regulating Seals (SRS) ring system, which replaces traditional O-rings to extend the lifespan of your chain. The R4 range's quad riveting manufacturing process ensures unparalleled strength and durability, making it a reliable choice for serious riders. The Renthal 520 R33 Drive Chain includes a hollow end rivet link for easy installation, eliminating the need for a Quad Stake Rivet tool. Crafted from high-carbon alloy steel, the pins, solid bushings, and rollers are engineered to withstand the rigors of demanding rides. Additionally, the shot peening treatment applied to the plates and rollers significantly enhances fatigue resistance, ensuring your chain performs optimally in any condition. Upgrade your ride with this top-tier chain from Renthal and feel the difference in your performance. Features: * Self-Regulating Seals (SRS) ring system: Increases chain longevity by replacing O-rings * R4 range quad riveting process: Ensures superior strength and durability * Hollow end rivet link: Facilitates easy installation without special tools * High-carbon alloy steel construction: Provides enhanced resilience and performance * Shot peening treatment: Improves fatigue resistance for longer-lasting use