Dunlop Geomax AT82 Front Tire - 90/100-21 M/C 51M TTRugged off road racing tire developed with decades of experience and by the world's best racers, the Geomax AT82 features a new front tread, designed to improve grip and predicatibility under load. The rear pattern has been redesigned to increase drive grip and consistency while cornering, and includes a bi directional tread pattern that's optimized for both soft and hard terrains.