Originally Posted by
sogood
With the 25, I can pretty much stay in the 50 ring at all times except for extended climbs. So without the 25, it would be a pain to have to change to the 34 with regularity.
50 - 25, seems like you would want to avoid that most times. I run a 50/36 and 12/27, but thinking of going with a 11/25.