Premium-quality, high-density foam tires (42/47deg - purple/orange dual element) put up on strong, rigid 28mm-wide white meal rims. The foam tire is sturdily fused towards wheels and pre-trued to an optimal begin diameter. Could be trued using HUDY Tire Truer with exclusive wheel adapter. Fits M18T or NT18T. Number of 2 mounted front side tires.