Enhance the performance and reliability of your pit dirt bike with this high-quality Rear Sprocket, expertly crafted from durable high carbon steel for superior strength and longevity. Designed to fit most Chinese 50cc to 190cc pit dirt bikes, this 420 37-tooth sprocket ensures efficient power transmission and smooth riding experience, making it an ideal replacement or upgrade for your bike’s original sprocket. Key Features: · Premium High Carbon Steel Construction: Heat-treated for enhanced wear resistance, rustproof properties, and resistance to deformation, ensuring a long-lasting sprocket that withstands rigorous riding conditions. · Optimal Power Transmission: Precisely engineered to provide maximum power transfer from the engine to the wheels, improving overall bike performance and responsiveness. · Universal Fitment: Compatible with a wide range of Chinese pit dirt bike models including 50cc, 70cc, 90cc, 110cc, 125cc, 140cc, 150cc, 160cc, 170cc, and 190cc engines, making it a versatile choice for many brands and models. · Easy Installation: Designed for direct replacement with a hole diameter of approximately 76mm (2.99 inches), this 37-tooth sprocket allows for quick and hassle-free installation without the need for complex adjustments. · Ideal for Maintenance and Upgrades: Perfect for sprocket replacement, renovation, maintenance, or performance upgrades, ensuring your dirt bike stays in top condition. Specifications: · Item Type: Rear Sprocket · Material: High Carbon Steel · Hole Diameter: Approx. 76mm / 2.99 inches · Sprocket Type: 420 Chain, 37 Tooth · Fitment: Suitable for most Chinese 50cc to 190cc Pit Dirt Bikes Package Includes: · 1 x Rear Sprocket This rear sprocket delivers exceptional durability and performance, making it a reliable component for your pit dirt bike’s drivetrain. Whether you’re performing routine maintenance or upgrading your bike’s transmission system, this sprocket offers a perfect balance of strength, precision, and ease of use to keep you riding smoothly.