This is a pair of DE Racing Speedway SC Wheels  for the Front of the Traxxas Slash.                                                                                                          FEATURES: Constructed of molded plastic, black in color                                           Sure Lock foam retention system is comprised of radial ribs that                        lock the wheel and foam insert together                                                                                                             INCLUDES: Two Speedway SC Wheels                                                                                                                                REQUIRES: 1/10 scale Short Course Tires                                                            Tire Glue                                                                                                                                             SPECS:    Outer Diameter: 3.0" (76mm)                                                          Inner Diameter: 2.2" (56mm)                                                          Width: 1.6" (42mm)                                                                   Hex Size: 0.47" (12mm)                                                               Backspace: 75" (19mm)