Tire Pressure monitoring
#31
#33
I ride with a lot of old timers or people that have been riding for several years and they aren't as paranoid about some things that many of the beginners are.
#34
If you really want to blow his mind, explain to him the coefficient of expansion and how the actual metal parts expand and contract with temperature changes. That'll really freak him out.
#35
Here is something to think about.
First of all I always set my pressures at the recommended pressures cold. And yes when the tires heat up from running the pressures will go up, that is to be expected.
But if you have the pressures in a rear tire going up more than they should I would look at rear wheel alignment. If the wheel isn't tracking properly you are creating additional friction which in turn translates into additional heat causing the pressure to go up higher than they would normally. Also misalignment causes excelerated tire wear.
First of all I always set my pressures at the recommended pressures cold. And yes when the tires heat up from running the pressures will go up, that is to be expected.
But if you have the pressures in a rear tire going up more than they should I would look at rear wheel alignment. If the wheel isn't tracking properly you are creating additional friction which in turn translates into additional heat causing the pressure to go up higher than they would normally. Also misalignment causes excelerated tire wear.
On the tire there is the MAX tire pressure, which is the max that tire can hold, period. Then there is the cold PSI that the manufacturer provides, usually on the label on the bike. Inflate to recommended cold PSI when the tires are at ambient (room) temperature, then ride. The tire pressure will go up when riding, but should not hit MAX.
https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=196
#36
Actually that is the max tire pressure COLD. Pressure can still exceed that while riding
https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=196
https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=196
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