Hi guys, I currently have a 250w rear hub drive Shogun with a 36V 10.4AH battery. On PAS 1 on average rail trail rides, I'm getting around 40km out of the battery. (55yo / 76kg) For my next bike I was thinking either a Bafang mid 500w 36v with a 16 AH battery.....or the 750w version (48v)...