Motor:  brushless,rear driving, 48V500W/48V750W, Bafang 
Battery:  Samsung Lithium battery,36V/48V,10.4AH, 13AH,15.6AH,21AH  
Frame:  Alloy 6061 
Front fork:  Suspension fork or Steel with painting  
Display:  LCD 
Light:  LED Front & Rear Light 
Controller:  48V 22A intelligent
Wheel:  20inch*4.0, Kenda Brand 
Saddle post:  Alloy & suspension, Promax Brand 
Derailleur:  7-Speed, Shimano Tourney  
Mudguard:  Steel with Painting 
Brake:  Front & Rear Disc brake,Tektro Brand 
Max Speed 25km/h(EU),30km/h(USA) 
Range 35KM by Throttle,70km more by PAS 
Max load 150KGS 
Net Weight 30kg including battery 
Gross Weight 35kg including package 
Carton Size 150*290*700mm