B1 Steel Standard Rear Sprocket - 520 39 teeth

B1 is a dynamic brand focused on manufacturing high-quality performance parts for motorcycles and powersport vehicles. Known for their innovative approach, B1 produces a range of products including exhaust systems, intake kits, and other aftermarket components designed to enhance engine efficiency and overall performance. Their commitment to quality craftsmanship and attention to detail makes B1 a trusted choice among motorcycle enthusiasts and racers seeking to improve their ride’s capabilities and responsiveness.