used in race wheels to monitor tire pressure while inflating to get the most accurate adjustmentBondoBob said:They have TWO valve stems?
what benefits do you have with putting nitrogen in your tires?KpaBap said:If you want to fill them up with nitrogen you have to have 2 valves, one to let the air out as the nitrogen displaces it.
Suppose to last longer, I think costco uses it now.gimpo2 said:what benefits do you have with putting nitrogen in your tires?