Hummer Wheels are 9” wide and for 16.5” Tires. Bolt pattern is 12. In stock from these wheels have a 7” Back space. Meaning that the wheel mounting surface is 2” from the front of the wheel. This becomes a problem for most rigs as it will tuck your wheels under your rig and into your tie rod etc. To run stock wheels you will need one of two things. Dually hubs or wheel spacers. (This price is for wheels only. Not PVC insert or runflats) All wheels ship with new o rings and new valve stems.