Stay Safe on the Road With our revolutionary drum brake in the front. and an electric brake in the rear. your KQi1 Sport will stop when and where you want. A high-brightness headlight and integrated bell mean youll always be seen and heard. Portable The NIU patented folding mechanism is both safe and easy to use. Fold or unfold in just one simple motion. Lightweight Design Just 15.4kg of automotive-grade steel. The high-strength steel frame provides safe and stable riding. Strong and Powerful Motor NIU KQi1 Pro is equipped with a powerful 250W motor. which provides a top speed of 25km/h and 14% hill climbing. for up to 25km.