This is a pair of JConcepts G-Locs Tires and Black Hazard 12mm Wheels for the Team Associated SC10 RC and 4x4 Short Course Vehicles. Deep tread depth for maximum durability and high traction on asphalt Internal overlapping X-braced ribbing reduces expansion for greater high speed control Thin-wall profiled closed cell foam inserts Two G-Locs Yellow Compound Tires and Black Hazard 12mm Wheels Two Profiled Closed Cell Inserts Diameter: 3.9" (99mm) Width: 1.8" (45mm) Hex Size: 12mm jxs 03/10/14 ir/jxs &