This set of transmission gears is specially designed for the Honda Elite Dio scooter models. The gears have been upgraded by Rrgs and Jiso, making them more efficient and durable than the factory-installed ones. With a gear ratio of 18-41, these gears provide a smooth and powerful ride, improving the scooter's overall performance. They are compatible with Honda Elite Dio models AF16 and AF18. Whether you're replacing old, worn-out gears or upgrading your scooter, these transmission gears are a great investment.