Find your optimal pressure
Weight, tire width, and terrain all matter. Heavier systems need more support, wider tires can run lower pressures, and mixed surfaces often benefit from a more forgiving setup.
Rolling resistance impact
Pressure changes the shape of the tire and how much it deforms under load. That deformation can become real drag, especially when you are carrying weight or riding at commuting speeds.
Quick answers
How often should I check tire pressure?
Weekly is a good baseline because tires naturally lose pressure over time and temperature swings also change PSI.
Should I use the max pressure on the tire sidewall?
No. That is the upper safety limit, not the universal performance target.
Does pressure affect puncture resistance?
Yes. Too low increases pinch-flat risk, but too high can also make the tire less forgiving on rough surfaces.
Do front and rear need different pressures?
Often yes. The rear usually carries more weight and therefore often benefits from slightly more pressure.
Bottom line
Tire pressure is small, repeatable maintenance with outsized impact on comfort, grip, and range.
Use a calculated starting point instead of guessing.
Pressure drift is normal, so consistency matters.
Lower and higher pressures each have trade-offs.
Cargo, terrain, and weather can all justify a change.