Avon 3D Ultra Xtreme Slick Tires The 3D Ultra Xtreme Slick Tire is an high performance track day tire with a super-sticky rubber compound that excels in dry conditions. Features: Outstanding handling characteristics Large footprint at extreme lean angles High performance super-sticky rubber compound enhances grip 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