Why two valve stems on Kosei K1 wheel?

Tuesday, May 18, 2010 by Neal O'Neal
Our Kosei K1 TS has two valve stems and many customers ask why. They are located 180 degrees from each other. In racing, many teams use nitrogen. Nitrogen has larger molecules than ambient air and is less likely to "seep" through the pores in all tires.

It also is less sensitive to temperature so the psi stays more even as the tire heats and cools with track use.

The two valve stems help in exchanging ambient air for Nitrogen. One stem is used to bleed off the ambient air while nitrogen is put in the opposite stem.

It's a popular look in Japan and was requested by many of Kosei's customers.


















You can see the complete list of wheels we have available for your vehicle at: Tire Rack Wheels. Simply enter the specifics on your vehicle’s make, model and year, and you'll see every option we have available that fits your vehicle properly.


Comments on Why two valve stems on Kosei K1 wheel?

Thursday, December 29, 2011 by mato:
may you provide me valve for my wheel old kosei rt penta 7*15 ?

because i don't find ?

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