Originally Posted by
caloso
I try to avoid the big-big and small-small combinations, but other than that, they're all fair game.
Same here.
If I know I am going to be going on flats and/or downhill (ie. decent speed) I go to the big chainring sooner rather than later. If I know there are climbs and/or stops and/or headwinds coming, I will stay in the small chainring.