The Sailun STR1 tyres is a trailer position pattern suitable for mid-to-long distances on good roads. The Sailun STR1 tyre has a specialised tread rubber formula that improves wear resistance and rolling resistance. The Sailun STR1 tyres features a unique shoulder design that helps to prevent uneven wear. The horizontal block grooves on the tread improve grip and slip resistance. the four main tread grooves of the Sailun STR1 tyre provide excellent handling and driving comfort, and its widened shoulder prevents irregular shoulder wear.