1. Made of high-quality materials, it is more sturdy and durable with an exquisite appearance. 2. It is easy to use and convenient to replace. 3. Length: 59 mm; Hole spacing: 51 mm. 4. Applicable vehicle models: TRX4M - 4M 1/18 RC crawling vehicle. 5. Tools and supplies: Assembly type. 6. RC vehicle parts and accessories: Servo accessories. 7. Purpose: Vehicles and remote - controlled toys. 8. Technical parameters: Value 2. 9. Remote - control peripherals/equipment: Receiver. 10. Applicable vehicle model type: 11. Four - wheel drive: Assembly type. 12. Wheelbase: Screws. 13. Color: Red. 14. Material: Metal. 15. Package contents: 16. 4 pieces. 17. Only the above package contents are included, and no other products are included. 18. Note: Light reflection and different displays may cause slight color differences between the item and the actual product. A measurement error of plus or minus 1 - 3 cm is allowed.