Offset valve inner tube

I am looking for an heavy duty inner tube with an offset valve, 2.50 X 12. It goes on a Zoom chair. I am in a wheelchair and this is a chair for handicap to be able to go off road. The valve comes out the side rather than straight up the center like we have in the United States. It's made in Sweden so I assume the inner tube is European. Can anyone help me find 4 heavy duty tubes?

Here are some links for you

www.eet-kessler-shop.de/Schlauch-12-1/2-...er-E-Mobil-Rollstuhl

www.amazon.de/dp/B072C6SDCX/ref=sspa_dk_...e9-a88f-0353b2786e42

www.ebay.de/p/Schwalbe-Schlauch-Nr-1-12-...992?iid=311857644560

Have you ever heard of offset valve before?

mantracker wrote: "Have you ever heard of offset valve before? "

Considering that Scirocco posted 3 links to and a photo of an offset valve your question seems rather odd. Ed

also note in this chart the tr numbers which demonstrate the different valves and their placement.
kenjonestiresblog.com/wp-content/uploads...ct-Catalog-Tubes.pdf

Having resorted to joining a Kawasaki motorcycle forum in order to ask this question, I would suspect that you've already done a plethora of research on the web through Google, etc., without having found what you're looking for.

If not already done, you might want to try submitting this inquiry via the live chat feature in the following link:

click here > livingspinal.com/power-assists/zoom-all-...HEAQYBSABEgLknPD_BwE

The link says "Tires 16×2.5” air-rubber tire with cross tread pattern." :huh:

Good Fortune!

Here is how I roll when in need
Great for outdoor mobility and hunting
I also plow my snow with it
Dave

I do have a tracked wheelchair. I live in a rural area and use it to work around my place.

I check the links and they had bent valve. I am wondering because the tires say Czech Rep. on them. Could this be the difference because of country?

Consider a cross-section of a common motorcycle tube, where the stem is located at 12 o'clock, regardless of the angle of the stem.

mantracker wrote: The valve comes out the side rather than straight up the center...

If we read this literally, are you saying the stem is located at ~2 o'clock (or ~10 o'clock)?

12.5" tubes are available toward the bottom of this page:
livingspinal.com/power-assists/zoom-all-..._Wt6NXhoCaZ8QAvD_BwE


Good Scootin'
slmjim & Z1BEBE

yes, that's correct. I didn't realize the valve was coming out the side till I went to bike shop and he said he couldn't get that kind of tube. If he put a straight valve in it, it would cut the valve.