Tire Pressure
The pressure rating of tires is usually stamped somewhere on the sidewall. This may be in "PSI" (pounds per square inch) or Bar. The pressure rating could be indicated as "Maximum Pressure," or "Inflate to . . . " and will usually give a range (for example, 90-120 PSI, or 35-60 PSI). Inflating to the lower number in the pressure range will increase traction and make the a ride more comfortable. Inflating to the higher number will make the ride more efficient and will decrease the chances of getting a flat tire.
Read more about this topic: Bicycle Pump
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