By rethinking the possibility of e-bike, we create and deliver the world's first e-bike with patented shaft drive system, and by taking away everything unnecessary, we design from the bare essentials for aesthetic cleanliness and practical functions, which also put zero emission into practice, saving a lot of energy from production to transportation.

We have established our own R&D and manufacturing centers in 5 cities across Japan and China. Dare to change the state quo in a creative way by introducing shaft drive technology once used in the motorcycle industry to the e-bike world.

Uni4. aims to create products for a better urban mobility movement, for the most common journeys for our day-to-day lives. Easy to ride, easy to maintain, easy to carry, easy to use. Just pay for the necessary parts without wasting money on appealing but seldom use functions. Cut the unnecessary to tune in the just right and practical ones, making e-bike for the everyday cyclist, for the person to enjoy on a daily basis. By conscious rethinking and creating, we want to deliver products that enable our customers enjoying their travel and life journey leisurely and conveniently.