UM Nitrox vs SYM Fiddle II 50:
UM Nitrox is priced at Tk 0 while SYM Fiddle II 50 is the one priced at Tk 0.
UM Nitrox brand origin is USA and SYM Fiddle II 50 brand origin is Taiwan.
SYM Fiddle II 50 is the more fuel efficient one with a claimed mileage of 60 kmpl while the claimed figure for UM Nitrox is 45 Kmpl.