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Tire psi?

37K views 15 replies 12 participants last post by  "Captain D"  
Another thing to consider is outdoor, ambient temperature. No matter what tire pressure works (or you prefer) make sure you re-check both tires when there's a big shift in outdoor temperature.

The general rule is: For every 10 degree (Fahrenheit) change in ambient temperature, tire pressure will adjust by 1 psi. Also (for the same reason) because tires get warmer when riding, only check your tire pressure before you ride, preferably in the morning.


Phil