Feature:1. DOUBLE LAYER DESIGN: The RC tire foam adopts a dual stage design to increase grip, which is suitable for enhancing tire support and improving the performance of RC crawler.2. FITMENT: RC tire foam insert is suitable for tires with a diameter of 2.2 inch, applicable for most 1/10 1/8 RC crawler, wonderful replacement for the old or broken one.3. REPLACEMENT ACCESSORY: Bright color, no fading, important accessory for RC crawler tire, easy to install, 2pcs of RC crawler foam insert are available, meet your replacement needs.4. MULTIPLE APPLICABLE SCENARIOS: Light weight and in small size, easy to store and carry, can be easily put into your toolbox, perfect for RC car store and outdoor activity.5. SOFT SPONGE: RC dual stage foam adopts sponge material, safe and eco friendly, soft and shock absorption, flexible and wear resistant, durable.Specification:Item Type: RC Tire FoamMain Material: SpongeWeight: 175g / 6.2oz(approx.)Outer Diameter: Approx. 120mm / 4.7inInner Diameter: Approx. 65mm / 2.6inSuitable for: Tires with a diameter of 2.2 inchFitment: Fit for 1/10 1/8 RC crawler (such as for SCX10, etc.).Package List:2 x RC Tire Foam InsertNote:Please allow slight error due to manual measurement. Thanks for your understanding.