Managed to fit a heinzmann kit to my montain bike (Viking targa) over the weekend (its the one that was in your classifieds adds under kinetics )the battery lights were all alight so i new it had been charged so took a chance at buying a 2004 kit whithout seeing it working . after three days of riding about it seems fine, It is the front hub 250watt version .This is my second ebike Wisper 905e being the first, they are very different form one another, Front verses back hub motor, nihm 36v verses li poly 37v battery charging times are allmost identical at about 2 hours but need charging in different ways li polly little and often nihm run all the way down then charge,the wisper has the top range 30+ miles per charge and better top end speed 18mph 22kg fully kitted out lights mudgards alarm and d lock a good road bike, The Heinzmann has better pulling power upto 14mph top speed and better Throttle response 30kg with lights and mudgards 18+miles per charge, being a mountain bike more fun off road with big tyers, the motor is geared so is able to handle the grass mud and hill better than the wisper , both bikes are fun to ride and very capable.
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