The Main Counter Shaft Gear Kit for your China ATV 50CC to 110CC four wheel motorcycles, designed for high performance engine gearbox replacement, is a necessity. This gear kit, known for its durability, ensures smooth and precise gear shifts, reducing wear and tear on your overall transmission system. Its lightweight design ensures a quick and efficient installation process, maintaining the overall performance and efficiency of your vehicle. This gear kit is made from high-quality materials, ensuring maximum performance even in the most demanding terrains. Replace your existing gear components with this high-performance, China ATV approved gear kit and experience the difference yourself.