Description: 【Design】: For ARRMA 1/7 Felony FSR tires are engineered for speed and precisions, making them ideal for competitive on-road race. Their GT model design ensures optimal performance on various surfaces 【Versatile Sizing】: These tires feature a diameter of 100/108mm and a width of 43/53mm, providing flexibility and adaptability to different race conditions. The wheel hub diameter is 80mm with a connector size of 17mm, ensuring compatibility with a range of models 【Material】: Constructed from pp, these tires offer durability and longevity, allowing you to enjoy extended use without compromising performance 【Optimized for Speed】: Designed specifically for ARRMA 1/7 Felony FSR model, these race tires enhance your vehicle's speed capabilities while maintaining stability and control during high speed runs 【DIY Parts】: 17mm hex Wheel, High upgrade part is great for 1/7 rc car, Improve The Appearance, great workmanship.RC Spare Parts accessory is easy design, and easy to install and disassemble Specification: Material: PP  Size Chart: Tire diameter: 10cm/3.94inch, 10.8cm/4.25inch Tire width: 4.3cm/1.69inch, 5.3cm/2.09inch Hub diameter: 8cm/3.15inch Connector: 1.7cm/0.67inch Package Includes: 2 RC Front Tire 2 RC Rear Tire Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.