My 2x7 and 3x7 setups work great, except for the aforementioned big ring upshifts. Not enough to make me change chainrings, for the advantages outweigh this little blip, but I can see where it would sour a serious racer.
And Light Action rocks!
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You know it's going to be a good day when the stem and seatpost come right out.
(looking for a picture and not seeing it? Thank the Photobucket fiasco.PM me and I'll link it up.)