These drift wheels are designed specifically for the Wltoys 284131. They were created to address performance issues encountered with the original wheels when attempting to drift on smooth surfaces. The creator recommends using version V5 for optimal performance. 1. Purpose: To provide improved drifting capabilities on smooth surfaces compared to the stock Wltoys 284131 wheels. 2. Practical Uses: Enhancing the drift performance of the Wltoys 284131 RC car. 3. Included Parts: The file set includes five versions of the drift wheel: v1, v2, v3, v4, and v5. 4. Printing/Assembly Guidance: For optimal results, it is recommended to use TPU material. Print settings should include no infill and 3 wall layers.