Premium-quality, high-density foam tires (42/47deg - purple/orange double element) installed on strong, rigid 28mm-wide white meal rims. The foam tire is sturdily fused to your wheels and pre-trued to an optimal beginning diameter. Might be trued utilizing HUDY Tire Truer with unique wheel adapter. Fits M18T or NT18T. Number of 2 mounted front tires.