Bafang 8-FUN centre (crank) drive
Fits any 68mm BB (bottom Bracket )- and others with spacers
C965- programmble display (not std C961 -as for our competition;) speed and cutoffs programmable; watts, temperature, 9 level PAS etc.
Tektro brake levers
IP67 water-proof connecters
Battery-protection system (against surge/short circuit)
SAMSUNG cell 36V/13Ah battery 
 -2 year warranty, bottle mounting - new HL-1 design
 -USB charge outlet, LED battery indicator 
 -Upgrades to 14.5Ah, 17 , 22, 30 ah possible - options below
Battery charger 36V/5/.5mm jack
Full instruction manual included (and help from us, if needed). Can be wired to give near 600watt