1. The product is made of materials, being more sturdy and durable, and enhancing the appearance. 2. It is easy to use and replace. 3. Applicable scope: Suitable for 1/8 scale remote - controlled off - road racing cars. 4. Technical parameters: - Outer diameter: 103 mm - Inner diameter: 78 mm - Width: 40 mm - Hexagon size: 17 mm - Weight: 115 grams per piece 5. Tools and accessories: Assembly type 6. Remote - controlled car parts and accessories: Servo accessories 7. Purpose: Vehicles and remote - controlled toys 8. Technical parameter value: 2 9. Remote - controlled peripherals/devices: Receiver 10. Applicable vehicle models: Cars 11. Four - wheel drive attribute: Assembly type 12. Wheelbase: Screws 13. Color: Black 14. Material: Plastic + rubber 15. Dimensions: 103×40 mm 16. Package contents: 4 remote - controlled car tires 17. Only the above package contents are included, without other products. 18. Notes: Due to light reflection and different monitors, the color of the items in the picture may vary slightly from the actual product. A measurement error of plus or minus 1 - 3 cm is allowed.