My favorite bike just happens to be a 'low-end' with chrome socks - my '75 Fuji S-10s. It just soaks up the bumps better than a tighter-geometry racing bike. Not that heavy, either, for being 'gas pipe' -- only 26.5lbs in stock form (and mine ain't stock no more

) A well-tensioned set of light wheels/tires will make more difference in 'the ride' than a two-pound-lighter frameset! Go for it, and
Enjoy The 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