These are a set of 3, 8"" Mounted 5-Split Spoke Wheels and Tires for the Traxxas Revo 3, 3, For use with the 5353X 17mm Splined Wheel Hubs and Nuts, Soft compound low profile Talon tires, Includes: Two 5-Split Spoke Wheels TRAC9770 Two Talon Tires with Foam Inserts TRAC5370, Requires: 17mm Splined Wheel Hubs TRAC6333, Outside Diameter: 5, 75"" (145mm), Width: 3, 3"" (83mm), Inside Diameter: 3, 8"" (96mm), Hex Size: 17mm, SKU: RCHOB1070