The Radar Spare tire is designed to help drivers regain temporary mobility in the event of a puncture, blowout or any emergency. This space-saver tire is designed for temporary use only and can help you get off the highway or reach the nearest tire shop. Featuring a smaller physical size with a narrower tread and light-weight construction, this tire can be driven at a maximum speed of 80 km/h at 420 kPa cold inflation pressure.