6.5-inch motor for campers: Exclusively adapted for 165mm diameter x 90mm tire widths, wide tires improve adaptability to outdoor road conditions. A 100mm gap and dual-axis threaded structure eliminate the need for secondary processing for installation, ensuring a secure connection. Suitable for small camping trailers, camping vehicles, and more, this motor supports bulk purchases to meet the standardized assembly requirements of camping equipment manufacturers, saving both labor and worry!