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03-28-10 | 01:16 PM

#25

AEO

Senior Member

Joined: Jun 2007

Posts: 12,257

Likes: 5

From: A Coffin Called Earth. or Toronto, ON

Bikes: Bianchi, Miyata, Dahon, Rossin

here, I recommend you this chart for inflation

Tire Width=20: Pressure(psi) = (0.33 * Rider Weight in lbs) + 63.33
Tire Width=23: Pressure(psi) = (0.33 * Rider Weight in lbs) + 53.33
Tire Width=25: Pressure(psi) = (0.33 * Rider Weight in lbs) + 43.33
Tire Width=28: Pressure(psi) = (0.33 * Rider Weight in lbs) + 33.33

Tire Width=32: Pressure(psi) = (0.17 * Rider Weight in lbs) + 41.67
Tire Width=37: Pressure(psi) = (0.17 * Rider Weight in lbs) + 26.67

Example: You are 150lbs running 28's

Pressure (psi) = (0.33*150) +33.33 = 82.83psi (rear)
Front Pressure = .9*Rear Pressure = .9*82.83psi = 74.55psi front

pulled off of here: http://www.bikeforums.net/showthread...tip-of-the-Day

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