The Impulse II electric motor has been developed by Kalkhoff and can be found on Kalkhoff and some Focus electric bikes. The Impulse II motor normally comes with a choice of battery sizes including high capacity batteries up to 615wh. Kalkhoff now offer an extended three year warranty on electric bikes fitted with the Impulse drive system.
The Impulse II motor from Kalkhoff offers great performance and is typically cheaper than the equivalent Bosch powered eBike. Kalkhoff now offer a three year warranty with the latest Impulse II electric motors and battery packs so you can be sure that they have confidence in the reliability of the Impulse II system