Air Pressure On Road Bike Tires

Most know psi is pounds per square inch while bar means atmospheric pressure.

Air pressure on road bike tires. 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. Psi bar and kpa. On smooth surfaces like the one used in the tests shown above moderately high tire pressure say 100 110 psi for a 25 mm tire actually rolls slower than either a lower pressure 80 psi or a higher pressure 130 psi. Road tires typically require 80 to 130 psi pounds per square inch.

And hybrid tires 40 to 70 psi. If the bicycle and rider. You can also use a bike tire pressure chart to find your idyllic tire pressure for your bike. To find your bike tire pressure you initially need to know what tires are on your bike.

The psi of the tire must equal the weight placed against the tire so the size of the contact patch will be the weight load divided by the air pressure approximately. To find your ideal pressure start in the middle of these ranges then factor in your body weight. For the purposes of measuring air pressure in your tires we really only need to think about three.