Derby’s Impulse Now Also Available as Speed Pedelec
CLOPPENBURG, Germany – For 2014, Derby Cycle introduces the next generation of the in-house developed Impulse motor.
The new Impulse comes in a standard 25 km/h version but also in a 45 km/h one named “Impulse SPEED”. The engine delivers 350 watts nominal power.
According to Derby Cycle the 17 Ah battery will set the new standards in terms of range of S-pedelecs. The new speed sensor technology allows to change gears easily with a hub gear like the Shimano Alfine.