The 6x139.7 bolt pattern, also called 6x5.5", is hands down the most common truck bolt pattern in the industry. It has the most wheel options available in many sizes. The Chevy 1500 trucks have been using this pattern in their 4x4 models since 1967. If you're looking for a particular wheel in the 6x139.7, odds are it's available for you. Contact a BB Wheels representative today for your 6x139.7 wheel and tire needs! As always, Free Shipping!