This is a Shengmilo electric mountain bike in either blue or black. It has an aluminium alloy frame is light and strong and designed to last. The double-walled rims are more durable and give a faster ride. It has a 1000w motor and 17Ah battery which has a max speed of around 35km/h, takes 5-7 hours to fully charge and has a plastic waterproof protection. The motor has a speed limit function from 20km/h to 35km/h. There are options of pedal assist, pure electric and manual modes. It can do 60-90km when in pedal assist mode and 40km in pure electric mode.