Durable black steel construction Crafted from quality black steel, this rear sprocket offers exceptional toughness and durability, ensuring a long service life even under demanding conditions. Its robust material makes it a reliable choice for various vehicles. Precise engineering and stable performance Designed with professional manufacturing techniques, this rear sprocket delivers stable performance and reliability. Its precise dimensions (170 mm diameter, 76 mm inner diameter, 41 teeth) ensure functionality and compatibility. Specific chain compatibility This 420 sprocket is exclusively compatible with 420 type chains, ensuring a fit and smooth operation. It is crucial to use the correct chain type to maintain performance and avoid damage. Versatile application With its wide range of applications, this rear sprocket is suitable for electric bicycles, karts, motorcycles, and beach vehicles. Its adaptability makes it a versatile component for various recreational and utility vehicles. Use scenarios Upgrading an electric bicycle drivetrain for daily commuting or light offroad use, benefiting from durable construction and precise fit. Replacing a worn rear sprocket on a gokart or beach vehicle to ensure smooth operation with a 420 chain. Maintenance or upgrade on motorcycles that use a 420 chain system to maintain reliable drive performance.