Michelin« 2CT technology with improved tread compounds and redesigned tread pattern last 20% longer than Michelin« Pilot« Road 3 tires (based on 2013 internal wear tests at the Ladoux Technology Center) Michelin« Pilot« Road 4 tires offer excellent grip even in cold, wet and difficult conditions and on all types of road surfaces, including slipper surfaces Feel more secure, whatever the conditions (excluding snow and ice and other extreme conditions) (W)-rated for speeds of 168+ mph. TIRE RD 4 190/55ZR17 75W
