I hoping for some guidance on a foldable entry level e-bike. I'm a 65 y.o. male, weigh 265, 5'10, with a 30" inseam. So far the RadMini Step-Thru and the Heyride Mars seem to be reasonable choices in the $1,000 range. The Rad has a 48 volt, 14 ah battery and a 750 watt geared hub motor and...