New f26 duotts electric bike

Frame: AluminumAlloy Battery: 48V20AH Samsung lithium battery Motor: 750W*2 Gears:Shimano 7 Speed Brake: Hydraulicdisc Brake Maxspeed:55KM/H Distance: 100-120KM(pedal assisted mode) Tires: 26*4.0fat tires Front Suspension With bluetooth,APP