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Can you please help my Haibike Trekking 4 has now covered 1800 miles I am now having some problems gear changing and also chain jumping when using the 2 smallest cogs on the cassette . I suspect a new chain and cassette are needed my problem is do I change them on a like for like basis or change...

help required with charging issue, whilst recently attempting to connect my Haibike trekking 4 to the charger after a short ride I experienced a large flash as i tried to connect the charger. The battery seems to be ok and still powers the bike but the charger will not re charge the battery does...

Hello , A good friend of mine owns a TREK e/bike he puchsed it new 18 months ago and has from the begining complained about poor braking he has raised the question on several occasions with the supplying dealer. He would like to fit a 180mm front disc to try to improve braking but the bike is...

I purchased a new Haibike earlier this year have now completed around 650 miles without any problems then on return home from a short ride the other day noticed the saddle had come loose on inspection a screw has sheared also noticed stamped into the underside made in china. I then contacted...

can anyone help my sduro is reading under on distance travelled by between 4/5 % this has been verified using gps and three other e/bikes is it possible to re-calibrate ? many thanks

Hi, can anybody help I am still getting used to my haibike still under 100miles wilst out on a ride today after approx. 10 the display showed er15 the bike still worked ok , I removed and replaced the display and adjusted the magnet on the rear wheel to no avail. But after stopping to visit a...

HI , A friend has a jolt e/bike pedal assist only and would like to fit a throttle to help on starting from a stand still . These are available on the web is it possible to fit one of these without chopping or splicing any of the existing wiring or changing the speed controller. many thanks Niggle

HELLO I own a powabyke mk1 classic which has given good service until last week when it got knocked over now when I turn the ignition key the motor runs at constant full speed, has anyone else experienced this problem any help greatly appreciated Nigel