These 8" trailer wheels are 7" wide, specifically designed for the 18.5x8.50-8 trailer tires. These wheels are also commonly found on other applications such as golf carts, 4 wheelers and more. They are available in 4-lug and 5-lug. These are the widest 8" trailer wheels currently available in the standard replacement market; commonly used on snowmobile trailers. Click to View Tires for These Wheels.