Hello! Is the following tank tread legal? Thanks!

MLT-JR Pair of Molded Spliceless Tracks and Wheel Set
http://www.superdroidrobots.com/shop/item.aspx/mlt-jr-pair-of-molded-spliceless-tracks-and-wheel-set/1722/
MLT-JR Pair of Molded Spliceless Tracks and Wheel Set - SuperDroid Robots - This is a pair of All Terrain reinforced 2 inch wide matched treads for the MLT-JR Treaded Robot. They have 4 ply mesh reinforcement, molded rubber with no splice. If you want jus