2x7 Brifters?
I have a 1990 Raleigh Technium Supercourse w/ Shimano Exage and downtube shifters. I'm contemplating switching to brifters. I don't want to change out any other part of the drivetrain, so I've been searching eBay for 2x7 brifters, and have been having a hard time locating. Are they that rare?