The District+ 4 N5 B Lowstep is a low-maintenance, comfortable city e-bike designed for relaxed everyday use. A special 5-speed Shimano NEXUS internal gear hub with Gates CDX belt drive delivers a smooth and quiet riding experience, while a Bosch Performance Line Smart System motor provides powerful assistance. A better production method for aluminum In 2024, we began phasing out high-emission aluminum in favor of a more sustainable alternative based on renewable energy. As of October 2025, nearly every aluminum bike we make is made from low-emission material, resulting in a huge reduction in emissions. Designed in the Netherlands Our electric city bikes are designed by cyclists for cyclists from our e-bike center in the Netherlands. Assembled in Germany Discover the factory in Saxony, Germany, where all European Trek, Electra, and Diamant bikes are made. Lockable and removable battery A design that lets you securely lock the battery in the frame, but also remove it when needed. It gives you the flexibility and peace of mind to charge the battery on or off the bike when your bike is parked between rides. SP Connect integrated phone mount With an SP Connect mount on the stem, you can securely attach a smartphone to your bike and wirelessly charge it while riding. Comfort on every kilometer From the suspension seat post to the ergonomic grips, every detail is designed for a smooth ride.