BQLZR 1.9 Rubber Inflatable Tires and Plastic Holes Wheel Rim with Inflator for RC1 10 Rock Crawler Q1004Y Pack of 4 Pump 8 nubntf2532-Parts & Accessories
DALL Toys Cars Scaled Models Models Toy Boarding Car Toy 1：43 Engineering Vehicles Truck Model Motor Vehicles (color GREEN)
Once inflated,There are about three to Five days need to inflate again.
Each set tire has four spare air nozzles,if the tire is intact,but the tire appear air leak,you can try to replace the air nozzle to solve the problem of air leakage.
Note:To prevent tire puncture and danger,please only inflate 60%-80% each time.