Prestacycle Bicycle Tire Pressure Calculator is a tool for bicycle riders, owners and mechanics to determine the correct tire pressure for inflation of bicycle tires. The best tire pressure varies based upon rider weight, The size and type of tires, the type of bicycle and riding conditions. This calculator provides a guide to recommendations based upon all those factors.
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Good only if you don't need it!
Only works for small people and skinny tires. If you are a bike racer, why bother? You already have a team mechanic to figure out your tire pressure!
Largest tire is 32, doesn't account for tubeless, tire TPI, road surface. Get an accurate gauge and a China marker, try different pressures, write them on the tire sidewall. Use the one you like best.
This app results are whacked out. Tells me 102 psi for 190 lb rider, and 195 psi for 210 lb rider and bike.
With Family Sharing set up, up to six family members can use this app.