This is a pair of 8S Rated Tires and Wheels for the Traxxas X-Maxx Monster Truck, TRAD75**                                                                                                   FEATURES: Tires glued to wheels, ready to install                                              Tires molded from rubber with aggressive all-terrain tread that is rated for the speed supplied by an 8S LiPo battery                                 Molded plastic wheels, matte black in color                                                                                                           INCLUDES:  Wheels, TRAC7771                                                                      Tires, TRAC7770                                                                       Foam Inserts                                                                                                                                          SPECS:     Width: 4" (102mm)                                                                   Diameter: 8" (203mm)                                                                Hex Size: 24mm