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  1. S

    Kalkhoff Agattu impulse

    Hi, my bike was just over 1 year old and done 700 miles when the motor started driving itself, once the bike was switched on it just took off on its own at high speed making it highly dangerous. A new motor was fitted by 50 Cycles at Durham. After this the bike has run okay apart from the chain...
  2. S

    Kalkhoff Agattu impulse

    Hi, my bike was just over 1 year old and done 700 miles when the motor started driving itself, once the bike was switched on it just took off on its own at high speed making it highly dangerous. A new motor was fitted by 50 Cycles at Durham. After this the bike has run okay apart from the chain...
  3. S

    Kalkhoff Agattu Impulse

    Hi, I have purchased a second hand Kalkhoff Agattu Impulse which worked great for first few rides then I switched it on and it drove off on its own and crashed into a post. When I put it into one of the drive settings it drives itself without pedalling. The only way I can stop this happening us...