Originally Posted by OldTryGuy

Just rode 23.32 miles this morning on my 84yo neighbor's purchased new gifted to me 1982 DAHON Fold-Up 20" wheel 40+ pound 6spd. SIS 14/28 with an added by me 60tooth chainring plus aerobars wide/cushioned/dual spring saddle.

A non stop 13.5mph average speed slow and easy enjoyable alternating between upright and aerobars. Have hit 29.2mph a few weeks ago as well as a 50 miler on it. Just have to make the bike work for you by adapting it to your style.