The BOSTON is a robust electric city bike with a traditional Dutch design. With the BOSTON you will make your way through the city with ease. The bike only weights 17.5 KG. This allows you to easily cycle with or without pedal assistance. The BOSTON has a 250-WATT electric motor in its rear axle, and a speed sensor in the bottom bracket to regulate the drive. The motor has 5 levels of assistance from 5 km to 25 km per hour support. The modes are pre-set, but you can adjust it according to your wishes. To be able to cycle at a higher speed, we used a gear ratio of 2.75. This is the ratio between the front and rear sprockets. Acceleration is therefore theoretically heavier, but because of the electric motor, you will barely notice it. The bike gets its energy from a 36V - 10.5AH lithium Samsung battery. To charge your bike you will get a charger that connects to the bike itself, comparable to charging your mobile phone. Charging a completely empty battery takes about 3 hours. Replacing the battery is easily done via the head tube. In general, you cover a distance between 40 and 70 kilometres. More than enough for your daily trips around the city.