【Material】- The outer ring of this tire is made of PU sponge, which is super light and tough; The wheel hub is made of plastic, which is very strong and load-bearing, providing the best quality for your RC car airplane
【Features】- Light-weight rubber wheels with a firm black rubber tyre and a luminum alloy core centre hub, for your aircraft assembly parts
【Application】- Tire and Wheel Sets is perfect for rc remote control airplane, RC helicopter, car, light weight, easy for the airpalne to fly. Material: polyurethane, Nylon