Thread: 12.00 x 20 tyres Aus
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Old 12-12-07, 10:33
David_Hayward (RIP)'s Avatar
David_Hayward (RIP) David_Hayward (RIP) is offline
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Default ARRRrrr
I thought "R" was a speed rating? I just checked in this is the speed rating calculator....

http://www.tyresave.co.uk/tyrspeed.html

It should state on the tyre whether it is radial-ply. It seems that what we call cross-plies others call bias-ply.
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