The nice thing about milling down semi wheels. #1 is Alcoa offers a wide range in the width, such as 16″ – 14″- 12″ – 10″ – 9′ in a 22.5 Alcoa Wheel for a custom build.
In a milled or machined wheel as we call them, you do have a heavier load rating and a much larger selection of tires to choose from.
Direct Bolt on Wheels are very handy because you do not need wheel adapters.
A lot of custom direct bolt on wheels are more expensive than the Milled Wheels.
Some companies direct bolt on wheels are a little less money than the milled down Alcoa or ATX semi wheels with adapters.