Premium-quality, high-density foam tires (42deg - purple ingredient) installed on strong, rigid 28mm-wide white meal rims. The foam tire is sturdily fused towards tires and pre-trued to an optimal start diameter. May be trued utilizing HUDY Tire Truer with unique wheel adapter. Fits M18T or NT18T. Number of 2 mounted tires may be used at front or back.