Quote:
Originally Posted by BossHogg69
Generally speaking, more backspacing give you LESS 'lip'. The two are directly proportional. So a 10" wide wheel with 5" of backspace will have less lip than a 10" wheel with 4" of backspace. Just simple math there. (wheel width - backspace = lip). This is very basic and does not account for the thickness of the mounting pad of the wheel. The depth of the lip does depend on the design of the wheel, but this is the basic concept of it.
As for metric tire sizing, the first number is the tire width in milliimeters, the second number is the aspect ratio (a percentage of how tall the sidewall is in relation to the width of the tire) and the last one is the rim size in inches. Many of the tire sizes like Tire Rack and Discount Tire break down this information. A couple of quick Google searches on metric tire sizing and backspacing will give you plenty of information. There are also a TON of threads on this site with pics about what backspacing to use on these trucks, what fits and what doesn't. A little searching here with get you a long way.
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Useful info I appreciate the help
I did some searching and learned a bit, but sometimes I like to just ask the question I have specifically to avoid peicing together answers to other questions to figure out mine