Dunlop Roadsmart 4 Tires The Dunlop Roadsmart IV features greater longevity, a new tread pattern and better construction. This tire truly blurs the line between sport and touring to allow you to carve the corners and go the distance. The new tread pattern enhances its water disbursement by an additional 10 when comparing it to the Roadsmart Iii. Features: High mileage multi-treat technology Fine carbon reinforced Hi Silica X for a better wet grip Slim high bead apex to reduce rigidity Stiffer sidewall to enhance absorption Camber thrust tuned for a better balance Notes : It is recommended to change your valve stem, tube and/or rim strip when installing a new tire. Shop Here! Need your tire mounted Weve got you covered! Tire Mount Discount