Originally Posted by
icemilkcoffee
A 126mm rear drop out can accomodate a 7 speed HG cassette and 7 speed RSX / Sora brifters. I love the 7 speed drivetrain. The more the speeds the more trimming you have to do.
I actually ended up buying a 7 speed Shimano tri-color, Suntour sprint and just picked up the 8 speed Veloce groupset hoping to use that on the bike for its brifters.