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 Foam Main Material: Sponge Weight: 175g / 6.2oz(approx.) Outer Diameter: Approx. 120mm / 4.7in Inner Diameter: Approx. 65mm / 2.6in Suitable for: Tires with a diameter of 2.2 inch Fitment: Fit for 1/10 1/8 RC crawler (such as for SCX10, etc.). Package List: 2 x RC Tire Foam Insert Note: Please allow slight error due to manual measurement. Thanks for your understanding.