Mountain Bicycle Tyre Pressure Calculator

For standard trekking wheels the most frequent choice would be a tyre pressure between 3 and 4 bar.

Mountain bicycle tyre pressure calculator. The added volume in a mountain bike tyre means despite these lower pressures it is less likely to pinch flat. From optimizing your tire pressure for your weight by jan heine. And hybrid tires 40 to 70 psi. There was a time when most riders would opt for 23c tyres on the road pump the tyre pressure up to around 110psi for every ride letting out just a little air to provide extra grip in poor weather.

There are a number of variables that go into figuring out the ideal pressure range for a bicycle tyre such. A thin road tyre would have 6 8 bar of pressure much like a road bike have a look at our tyre pressure calculator for road bikes while for a fat bike tire a pressure of 0 5 bar will suffice. If calculated pressure is below tire s safe minimum choose a narrower tire. Suggested tyre pressure for mountain bike tyres for a 70kg rider.

Calculator obeys the chart s min max pressure limits. The narrower the wheel the more pear shaped the tyre will become under pressure. Narrow tires need more air pressure than wide ones. Road tires typically require 80 to 130 psi pounds per square inch.

These two extremes however represent only the upper and lower pressure limits. The calculator takes its cue from a table appeared in october 2011 in the magazine mountain bike action italian edition. The article listed the average pressure and some changes to be made depending on ground conditions or the ability of the pilot. As a rule mountain bike wheels feature a width of 20 millimetres and over.

Mountain bike tyre pressures. However the air pressure cannot be lowered indefinitely since this will have a negative effect on many factors including the stability of the tyres on the rims. Road bicycle tire pressure calculators using jan heine 15 drop and michelin chart methods. Mountain bike tyres are run at a lower pressure than road tyres so that the tyre can conform to the terrain and provide added grip.