Joined: Mar 2008
Posts: 5,559
Likes: 53
From: The 'Wack, BC, Canada
Bikes: Norco (2), Miyata, Canondale, Soma, Redline
I commuted on a Specialized M4 Stumpjumper that had 700c wheels on it for about 8 years. Discs made the brake issues into non-issues. The 25mm road tires I used only raised the BB height by perhaps 1/4 inch over the knobbies that were on it when new. No handling issues at all.