How much PSI in these 31" tyres on 15" RIMs?

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31st January 2013, 08:21 PM
growler2058

Theres a thread here explaining the 4 psi rule but i cant find it. anyone else put up a link?
3rd February 2013, 07:05 AM
ns3474

Quote:

Originally Posted by Diesel-Mate

I had similar tyres to yours and I found 40 psi is about max as any higher the ride is to hard. My tyres were rated for 50 psi. Now I use 33/12.5r15 and they are rated for 35 psi max so I run them at 30 psi.

i would agree with diesel mate,i run 28 to 30 psi on road in my 35 bfgs always have,you need to experiment with the pressures ,i find anything above 30psi is to harsh to drive on ,also my tyres wear even and i will get atleast 50,000 kms out of them .
3rd February 2013, 07:53 AM
Parksy

Quote:

Originally Posted by Dhuck

How do you use you tyres? If you are a tourer try about 4 pound less than the side wall of the tyre states. If you only drive around town, I would look at 40 psi. If you carry a heavy load in the back, I would run mid 40's. But then I would not listen to me. No one else does as I apparently know bugger all.

My side wall states 65 psi. I've never seen such a high pressure! Sound normal to everyone? Tyres are kumos 31".