Leebo, that is good. I can see you are learning and catching on. To review:
Standard road tires (700cx23) and 26" mountain bike tires (26x2.125) are both roughly 26" in diameter.
29" tires are roughly 29" in diameter and use the same diameter wheel as a road bike (700c)
Originally Posted by
Leebo
Umm, no. 700c road rims are the same diameter as 29er mt bike tires. They have an iso of 622. 26" rims have an iso of 559.