Originally Posted by
alfeng .
FWIW. Here's a pic of one of my older Hardtail frames which I converted to use as a Road bike. Almost all of the components have been changed since the picture was taken ...
As pictured, the bike weighed just under 20 lbs. Add 3-or-4 lbs. for a steel fork + granny chainring + longer cage rear derailleur + fatter tires + fenders ...
et cetera.