- Motor：：500W rear brushless gear fat hub motor
- Battery：：48V13AH lithium Chinese battery
- Speed：：45～48Km/h
- Max range：：45～50Km pure electric, 60～70Km pure assistant
- Controller：：48V 25A 9 mofet controller
- Frame：20" Foldable Aluminum Alloy Frame AL6061
- Derailleur：：Shimano Outer seven-speed
- Brake：：Tektro Mechanical disc brake
- Colors：：Matte Black, Matte Grey, Matte Dark Green, Matte Rose Red
http://www.suringmax.com/index.php?m=home&c=View&a=index&aid=153
