420 ATX Tires with Foam (2): LST2, XXL/2Key Features ATX is an all terrain tire that is exceptional on pavement and carpet, as well as hard dirt Includes foam inserts Fits all 420 Series wheels Overview To use these tires specifically on Losi LST2's, LOSB7010 or LOSB7011 wheels are required To use these tires on any Monster Truck (Traxxas, HPI, etc) as well as any Losi monster truck use LOSB7012 universal wheels.