muddymonster
New Member
Whats bigger 31.10.50/15 or 265/75/15 and will these fit my series landy also can anyone tell me how the 31.10.50/15 works
FFS tyres is sized like this 235 / 75/ 16 = tyrewidth / tyre wall height as a percentage of tyre width / rim diameter.
So 235/75/16 = 235mm wide by 176.25mm(75% of 235mm) tyre wall height on 16" rims which gives yer an overall tyre size of 176.25x2 = 352.5mm (13.88"+ 16" = 29.88" or 29" to make it simpler.
FFS does yer mummy still spoon feed yer? Apply some thought to the matter. Firstly which is the largest number ?? Chances are that'll be the tyre diameter. So 31.5 then, now is that likely to be metric or imperial? If metric that would be about 12.5" so Imperial then? Right by a process of eliminination we can deduct that the tyres diameter is 31.5".
So now onto the width. Given that you now know (from reading previous post) that metric tyres use the 2nd figure to represent a percentage of the tyre width. how wide would 10.5% of 31.5" Yes that's right 3.2" (approx.) So obviously this rule doesn't work with imperial tyre sizes. Sooooo we can now deduct that 10.5 is probably the actual width of the tyre so 31.5/10.5/15 is going to be 31.5" in diameter, 10.5" wide and fitted to a 15" rim.
Here endeth the lesson for today..
Will 31.10.50/15 fit on my series ?????