Tire Pressure and Rolling Friction of a Road Bicycle Tire

Tire Pressure and Rolling Friction of a Road Bicycle Tire

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The rolling friction of a road bicycle tire was measured as a function of changing tire pressure.Five different tire Cocktail Glasses pressures, ranging from 40 to 120 psi, were tested in increments of 20 psi.The power input to the pedals and wheel speed were collected using a TOOTHPASTE SPEARMINT crank-based power meter and speed sensor.It was found that rolling friction increases with decreasing tire pressure in an inversely proportional relationship.