I've been riding my Schwinn Circuit since 1987...the 87' frame cracked and was replaced with an 88; frame. I finally got it powder caoted flat black, but the frame decals are long gone..I still have the front plaque..Schwinn Chicago..the bike has about 30k miles on it..mostly original. it's the 48cm model. I'll ride it till it breaks or breaks me...I'm just cheap that way..It cost me $800 new. Geometry is tight and responsive..I get a few stares riding this machine with a group..