Dunlop Grandtrek AT21

[{"itemNumber":"290014814","genericSize":"2657016","modelName":"Grandtrek AT21","modelId":27,"salesHistory":null,"warranty":null,"productCategoryCode":42,"rebateDescription":null,"typeDesignation":"P","tier1":"Non-Core","tier2":null,"tier3":null,"treadType":"All Season","treadType2":"Highway","speedRating":"S","loadRange":"SL","performanceCategory1":"On-Road Highway","performanceCategory2":"Highway","isSnowTire":false,"isDiscontinued":true,"discontinuedTireReplacement":null,"bestValue":false,"limitedTime":false,"recommended":false,"highlyRated":false,"mostPopular":false,"optField8":null,"closeout":true,"spfcd":"X","runFlat":false,"edesign":false,"treadDepth":11}]