Mitas Trelleborg Winter Studded Motorcycle Rear Tire 110/100-18 XT-454 Imported from Europe. Ships from Massachusetts. We have been selling specialty studded tires for over 30 years. Each tire contains approximately 250 carbide tipped steel studs. These ARE NOT street legal. Off-road snow and ice use only! These tires ship with NO WARRANTY given or implied. They have a very specific use.