Quote: Originally Posted by dbong87 My 08 Redline Monocog 29er uses the 26.8mm. I bought 27.2 and it was too big. 26.8 is loose but that's the one I need. When I loosened the
seat post clamp, it would just slide all the way down by itself. But when it's tightened, it is just fine. The Monocog and Monocog Flight frames use different ...