Description: Dual Layer DesignRC Crawler Tires Foam adopt the dual stage design for increasing grip, suitable for enhancing tire support. Durable MaterialRC Crawler Tire Inserts are made of high quality material, sturdy and reliable, comfortable and soft, not easy to tear, can be used for a long time. High QualitySoft outer but have maximum traction, excellent impact resistance. FeaturesRC Tires Foam Inserts with good elasticity and anti vibration, greater stability during climbing, improved performance and appearance. Application2.2inch Tires Foam Insert is suitable for 1/10, 1/8 car spare parts accessories. Size Chart: 120mm: Outer Diameter: 120mm/4.72inch Width: 45mm Inner Diameter: 65mm 130mm: Outer Diameter: 130mm/5.12inch Width: 45mm Inner Diameter: 65mm Package Includes: 1 Pair RC Tires Foam Inserts Note: Please allow slightly errors due to manual measurement and different monitors.