The Sailun S911 tyres bead is designed to improve durability while the special tread design reduces stone retention while improving traction. The main features & Benefits of the Sailun S911 tyre include; small grooves between the blocks to allow the tyre to run cool and provide improved uniform tread wear, deepened grooves in the Sailun S911 tyres offer a longer tread life, overall tread pattern design of the Sailun S911 tyres is specially designed to improve block rigidity in the center and provide better balance on the shoulders to improve uniform wear.