Originally Posted by
davei1980
I just went through this decision making process as the last bike I bought had the option of 29x2.80 "Slick" tires or 29x3.00 knobbies. I wrestled with it and went with the knobbies - makes detours more fun and was glad to have them in the snow this week
I have a road bike that was made for 27" tires but I put 700C wheels on it. I used 700C x 30mm Schwalbe CX Pro tires on it for a long time so I too could ride it on dirt roads I might come across whilst exploring. It's one of the main reasons I converted an MTB to dropbar.
Cheers