【High-quality Material】:These Insert are made of high-quality silica gel, waterproof and heat-resistant.More durable than ordinary foam.
【More superb sidewall support】:Silicone material makes it better than ordinary foam to support the sidewall and keep the shape of the tire.
【Improve stationarity】:Soft silicone absorbs shock and vibration, which makes your remote tracked vehicle run more smoothly.
【Kindly Reminder】Please stick screw glue on any metal-to-metal joint to make the product more stable.Especially in the position of various screw holes.So that the screw is not easy to be separated from the upgrading fittings.