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Question:

Will schrader valve tubes work at 110 psi?

I have a road bike that has schrader valve tubes and my current tire is rated to 90 psi max. I ordered some new tires that are 100 to 120 psi max. Will the schrader valve tube hold that kind of psi? I dont really want to buy converters and new tubes right now.

Answer:

These valves are used on large trucks which often run there tire pressure at 100 psi and there is no problem. I am a truckdriver and see no reason why they should fail at the pressure you are planning to run at. They are a reliable valve.
Schrader Valve Pressure Rating
The valve will hold the pressure, the rest of the tube is the same as a presta valve tube. The tube does not contain the pressure anyway, it is the strength of the tire casing that allows higher pressure. Pressure ratings are more related to tire width than tire construction. If your new tires are narrower, that is the reason why they are rated for higher pressure. If you see a tire model available in various widths, the wider ones usually recommend lower pressure. This is not because the tire casing is any weaker, it is because a wider tire doesn't need as much pressure to hold you up due to the larger internal volume
Yes they will hold.

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