I am well aware of how normal tire sizes are established, thats a good calculator for tire height.  But I keep seeing tires with sizes like 700x15, no other description for the size but that, and I cannot seem to find any info on this strange(to me) size format, can anyone tell me what the 700 means, it makes no sense to me, I ASSUME the 15 is the wheel size, i have no clue what 700 could be.

They are not two piece. My buddy had them powder coated for me and took the time to pound out all the rivets then put them back in after they were coated. It was a nice surprise.

I used to run 700X15 Jeep service tires. The words "Jeep Service" were actually on the side wall of the tire.

THey were bias ply tires and even with 0psi you could still drive them around like normal, they had no flex at all. I ran these for years on a stock zuke and all my friends ran them too. The had a huge side lug and would haul you through almost anything...very aggresive in the mud. They hated grass hills...I got pulled up many hills and people laughed at me for this.

We ran them on stock zukes and the only mod we needed was to trim the front bumper ends and some of the little front bumper holding bar. The tube that the front bumper hold onto. I'd say that the tires are a 235 or 30". I'm running 30" tires on my 413K truck and they fit the same way.

These tires brought me to alot of places....funny to get stuck on a grassy hill and make it through the big holes.

I am well aware of how normal tire sizes are established, thats a good calculator for tire height.  But I keep seeing tires with sizes like 700x15, no other description for the size but that, and I cannot seem to find any info on this strange(to me) size format, can anyone tell me what the 700 means, it makes no sense to me, I ASSUME the 15 is the wheel size, i have no clue what 700 could be.

It is an older tire format only used for Bias ply tires, usually for trailers and vintage vehicles.  The 700 has something to do with the cross width, but I can't find where they switched from the actual width in inches to the straight 3 digit format.  In tractor tires it was used as a calculation for the percentage that was the actual width.

It normally means you have a 29.18" tall tire with a 5.38" tread width and 7.35" wide tire at the widest point.

I found them at the "TireRack" on the net, $76 each,  I am going stock for awhile, and my new Sammy came with  2 new Discovery AT2;s,  Gonna try it our this weekend,

Deer season right around the corner, Hardin County, SE Texas

 It's not 700 x 15, it is 7.00 ( That's 7 point 00 ) x 15. Which means, a seven inch wide tread that fits a fifteen inch rim. A 7.50 x 15 is a seven and a half inch wide tire for a fifteen inch rim. And, an 8.25 x 16.5 is an eight and one quarter inch tire for a sixteen and one half inch rim.
 Nowadays, they specify ( outside diameter ) x ( width ) x ( rim ) ie. 31 x 10.00 x 15, or ( carcass ) x ( aspect ratio ) x ( rim ) ie. 235mm x 75 x 15 which mixes metric and inches.
 We will NOT discuss the old letter series tires ( G78 x15 ) because they are extinct. And then there are load ranges, and speed ranges. You know, this tire stuff is a lot easier to understand if you've been drinking.......heavily.   LOL

I run 235 75 15 wranglers no lift on a 02 4 door no issues at all maybe a little less gear but its totally managable

...We will NOT discuss the old letter series tires ( G78 x15 ) because they are extinct.

I  don't know about "G78 x 15", but the Q78s are actually a popular Super Swamper. Not at all extinct, I'm running some L60s on one of my Chevelles. Many bias-ply tires still run the old number system, you just gotta be looking in the right places I guess.

Bigzook: Love the wheels!

Where can I find 205/75/15 All terrain tires, stock size?

I went with 235/75R15 from 205's,  more clearance and they don't rub.
I got a good deal on 5 new Wild Country All Terrain, they have been on for almost two years now . The little nubbies are still on the tire from when they were new. I take it and wheel  it but not too hard as it's my daily driver too. The tires are not wearing at all, must be the light weight of my Sidekick.