These are the AKA Racing 1/8 scale Buggy Super Soft Crossbrace Tires with Red Inserts. FEATURES: Cross Brace is best suited for tracks that have light to medium loam in the racing line and heavy loam around the edges Super soft orange compound INCLUDES: Two 1/8 scale Buggy Crossbrace Tires with red inserts REQUIRES: Installation on wheels Tire Glue (DTXR2000) or (DTXR2002) SPECS: Outer Diameter: 115mm (4.5") Inner Diameter: 76.2mm (3") Width: 46mm (1.8") jml 05.10.11 ir/jxs