This is a Convincied S6 which has 16 inch tyres and a lightweight magnesium alloy frame. It has an elegant black design with adjustable saddle and handlebars. It can also be folded in half and can easily be stored and carried so it can be put onto public transport, into the boot of a car or stored at home or in the office. It comes with a 36v battery with a 3 speed adjustment so you can switch between pedalling, pedal with electric assistance or pure electric mode. It can support 50km in pedal assist mode and you can easily switch modes as you please.