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ss3011 · 07-26-2017, 12:24 PM

I know of two examples of roll bars made from 1 5/8" tube , and both were changed to a roll cages to make them legal . A roll bar needs to be made from 1 3/4" tubing x .118" thick if Mild Steel , or .083" if 4130 chromoly tubing .

07-26-2017, 12:24 PM	#2
ss3011 Senior Member Join Date: Feb 2002 Location: Southeast Michigan Posts: 909 Likes: 70 Liked 239 Times in 114 Posts	Re: Roll Bar question I know of two examples of roll bars made from 1 5/8" tube , and both were changed to a roll cages to make them legal . A roll bar needs to be made from 1 3/4" tubing x .118" thick if Mild Steel , or .083" if 4130 chromoly tubing .