Im looking for a rear carbide studded tire for winter single track fun. Im having a hard time finding any. All there is on ebay are these tires http://cgi.ebay.com/ebaymotors/Studded-Dirtbike-Tires-Trelleborg-Motorcycle-0018D_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3286Q2ec0Q2em14QQhashZitem120328052128QQitemZ120328052128QQptZMotorcyclesQ5fPartsQ5fAccessories The studs arn't very long compare to others. Has anyone used these or ones like them? Also how to these carbide studs perform compared to Kold Kutters on ice. I do alittle ice riding, nothing too serious. I will be doing primarily off-road, so "good enough" on the ice is all im looking for. I have a Kold Kutter filled front tire that I am using, since Im not concerned about the front wearing and ripping out as much. Thanks for any help.