Quote:
Originally Posted by Saks
Last semester we have learned about tyres, and tyre dimensions. And in theory it says, lower tyre profile and wider = lower rolling resistance, higher tyre profile = higher rolling resistance.
Here is a picture of the difference betwen high profile, and low profile tyres
As you can see the the wider and low profile tyres have less surface contact (I don't know hot so speel it right because my English is still not that good, and I know that now sounds like the wider tyres are less safer than thyn tyres, but I hope somebody will get my point  ) |
The contact patch is the same for every tire. With the same pressure of course.
I've found an explanation what was easier for me than writing it myself, because of my English skills ;-)
Anyway, you may want to take a look here:
Tire question