That old Fuji S-10S of mine has got to be one of the most comfortable-riding classics ever. Lots of fork trail, combined with a generous chainstay length and relaxed 73/73°angles make this long-ish wheelbase 26.1-pound ride quite pleasant! No, it would NOT be my pick for racing, but I can ride this bike for 100+ mile rides and still feel like I want to ride more that day - and have - as evidenced by me riding it for well over 50,000 miles since new! Even as I have it equipped today, it is just a tad over 30 pounds -- even with the triple crank, rear rack, handlebar bag with tools, full-sized frame pump and single water bottle...
Yes, my Miyata 710 (and the Miyata-built Univega) are more 'sprightly' in how they ride... They're only two pounds lighter, but with a tighter 'triathlon' geometry. The Gran Tourismo rides much like the Fuji -- Not surprising considering similarweight and geometry
I had picked up a newer aluminum-frame Trek 1100 at a yard sale, but after riding it, was quickly sold off due to the harsh, 'buzzy' ride.
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'75 Fuji S-10S bought new, 52k+ miles and still going!
'84 Univega Gran Tourismo
'84 Univega Viva Sport
'86 Miyata 710
'90 Schwinn Woodlands
Unknown brand MTB of questionable lineage aka 'Mutt Trail Bike'
Plus or minus a few others from time-to-time