It's ideal - just the rear sprocket is 14/28. 20" wheel *52/14 is undergeared (for me anyway). I fitted a 7 speed DNP 11-28 freewheel and then just don't use the 28t cog
An AKM74 20" wheel with KT controller kit is £270 then £200 for a Woosh 10A 36V bag battery + charger, then £200 for the...