US$ 25.40
electric bicycle with suspension Hiboy EX11 Full Bike | 750W Motor 880W Peak | Up to 100 Miles Range | 48V 18Ah Removable Battery | 26"x4" Fat Tires resistant fat tires with Leather Backpack Box - Type:FW04 Budget Electric Bike 2024
Leather Backpack Box - Black
All in all, everything looks right for a 1971 Schwinn, except I can find no mention of a 27" tandem in any catalog or on Google until 1978, and that was the Twinn Sport
Budget Electric Bike 2024
Type:FW04
So to Amazon where I found a Falcon Flux folding electric bike for around £700
resistant fat tires with reflective sidewalls improve traction
US$ 25.40
US$ 27.58
US$ 22.28
US$ 20.46
US$ 20.71