Modified seat spring: This spring suspension mini bike seat is only for Coleman CT200U-EX mini bike.DO NOT fit BT200X or CT200U. Improving Riding Comfort: The seat spring can absorb the vibration and impact generated during riding, thereby improving riding comfort. It effectively reduces the impact of uneven or bumpy roads on the rider, providing a smoother and safer driving experience. Durable Material：3mm thick weight-bearing bracket and 5.2 mm thick seat springs with good rebound and strong load-bearing capacity, Ensure durability and stability. Easy to Installation: This seat spring kit come with springs, seat support plate and other accessories you need,Requires simple modification of the original seat for a perfect fit. Modification Needed: Small modification of the original seat is required. Whether you are riding on a flat road or off-road on a rugged trail, it is an excellent choice to enhance your riding experience. Mini Bike Seat Spring Suspension Kit for Coleman CT200U-EX Hisun HS200-3 Powersports Mini Bike