Premium-quality, high-density foam tires (42/47deg - purple/orange double element) mounted on strong, rigid 28mm-wide white dish rims. The foam tire is sturdily bonded towards tires and pre-trued to an optimal starting diameter. Can be trued making use of HUDY Tire Truer with unique wheel adapter. Fits M18T or NT18T. Group of 2 mounted front tires.