Mojo D2 – Slick Kart Tires The quality of Mojo D2 kart tires is such that they were selected as the official spec tire of the Rotax® Max Challenge series. If you compete in the Rotax® Max Jr. or Sr. spec classes, you'll need at least one set of Mojo D2 kart tires (and depending on your level of commitment and involvement, you likely will want a set of Mojo W3 kart tires for wet weather races as well). To order this item, please feel free to use our shopping cart for quick and easy checkout or contact K1 Race Gear today for further assistance. We would be happy to answer any questions you may have regarding the product of the Rotax® Max competition. Features of Mojo D2 Kart Tires The performance of the Mojo D2 kart tires is superb; the racing slicks deliver tremendous grip through both low and high-speed corners and the tires are durable enough to last several races. And the combination of 4.5" wide front tires and 7.1" wide rear tires produce great turn-in, giving you the ability to place the kart exactly where you want it to be without having to worry about under or oversteer. We are confident that you will be thoroughly satisfied with your Mojo D2 kart tires; after all, Rotax® was! FRONT 4.5" BACK 7.1" SET 2 x Front 4.5" and 2 x Back 7.1"