The distance is measured differently depending on the layout.

How to measure lug spacing. To confuse things, gm has offered car axles that were of 5 lug designs in more thana one spacing configuration. You can estimate the measurement by using a straight line from the backside of. To measure wheel rear spacing (or backspacing), place the wheel face down and lay a straight edge across the back of the wheel and measure down to the mounting pad of the wheel to.

For 5 lug wheels its only slightly more complicated then the 4, 6, or 8 lug measurement. Finding the right wheel bolt pattern is easy and mike walks you through the basics to find the right custom wheel for your vehicle. Extend the ruler directly across the center of the wheel to the adjacent lug to.

Measure from center of one hole to the center of the opposite hole. This varies greatly in millimeter, and yes we use millimeter never inches or the imperial route in this game. The bolt pattern measurement is simply the number of lugs and the distance between opposite wheel studs.

You measure from the back of one lug (skip to next lug as shown) and to the center of that. Larger vehicles such as cadillac’s may come with a 5x 5″ or the most. If you don’t have a lug stud on hand, then simply stick the depth probe from the vernier in.

Subtract e from t which will give us our wheel thickness measurement that we will call “w”. Choose any lug bolt and measure the distance between the back of one lug to the center of another that is directly across from it. If your watch has a leather strap already, you can just check the size of your old strap and measure the width of it between the watch lugs.