The Sailun S711 tyre has a special tread design that effectively improves self-cleaning capabilities and with it's deepened grooves the Sailun S711 tyre provides a longer tread life. The main features & Benefits of the Sailun S711 include: Narrow grooves to reduce tread rigidity and improve scrub resistance, deepened zigzag grooves extending from the shoulder to the centre to help improve grip, the small rib design between pattern blocks on the Sailun S711 tyre is designed to reduce the movement of the pattern blocks and reduce uneven tread wear.