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tire sizes

Posted: Sun Sep 22, 2013 9:05 am
by rtboone
Can any one help me with determining the correct metric conversions for 3.50x18 and 3.00x21 inch knobby tires? I am building a 98 super rat and would like to get the best size for my project.
Thanks
Tom

Re: tire sizes

Posted: Mon Sep 23, 2013 6:30 am
by Forrest
This might help for conversion: http://www.mad-ducati.com/Technical/Tir ... Chart.html

-Forrest

Re: tire sizes

Posted: Mon Sep 23, 2013 12:02 pm
by rtboone
Thanks Forrest, that helps.
Tom

Re: tire sizes

Posted: Mon Sep 23, 2013 1:44 pm
by socalhodaka
Good luck finding a 350x18 knbobby. 100/100-18 is the size but even they differ from brand to brand.

Re: tire sizes

Posted: Wed Sep 25, 2013 1:39 pm
by Forrest
I bought a couple of 350x18 knobby at a swap meet in great condition, I also see them occasionally on Craigs List.

Re: tire sizes

Posted: Thu Sep 26, 2013 1:16 pm
by Bullfrog
Wouldn't a 3.50X18 be more like 80/100X18 or 85/100X18? 100/100X18 is a 4.00X18 in my book.

Ed