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The original tyres on my ebike are 26 x 1.50....I wish to replace them. I have 2 new Marathon Plus tyres...26 x 1.75 which I bought for my mountain bike and never used. The rims on my ebike are much thinner than my mountain bike. Will I be ok fitting these tyres to my ebike ? many...

Hi all...just back from Kos where I saw an electric bike modeled on a Harley Davidson motor cycle...smaller and slimmer and I suppose lighter than the real thing.......still looked heavy though. False tank with a big box some 12"x 10" underneath which held the battery Complete with pedals...

Hi...I'm looking to raise the handlebars a couple of inches on my UM44S. Am I commited to the stem going fully into the frame as it is now or can I raise it ? ...It's an adjustable quill type stem. thanks....Mike

I've bought one ...I first tried this bike at Presteign 2009. At that time the only fault I had with it was no ON/OFF button...well now it has that and on paper I couldn't fault it so I travelled to Cheltenham where UM have their UK distribution depot and as promised Mark loaned me a demo. for...

Hi...there is a loose wire going into the controller LOW / HIGH on the left hand side of the handlebars. I have not yet taken the controller off the bars...If I do will I be able to get inside to tighten the wire ? I think it may be running on LOW all the time. thanks.....Mike

Looking to sell my Wisper 905 works. 36v 8a Lithium Power Pack. It was bought new in February 2009. The original owner reckoned he'd done 600 miles and I've done some 2500. It's in decent condition...wheels are true. Looking for £400, I think that the buyer would have to collect from...

Looking to sell my Wisper 905 works. 36v 8a Lithium Power Pack. It was bought new in February 2009. The original owner reckoned he'd done 600 miles and I've done some 2500. It's in decent condition...wheels are true. Looking for £400, I think that the buyer would have to collect from...

Hi...presently i'm riding a Wisper works 36volt 8a...I've had it 12 months...it was allegedly new 6 months before that makeing it theoretically only 18 months old. Even when fully charged I have very little power and being 70 years old next week and not as fit as I wish, I find it so hard to...

Hi...in common with many electric bikes, on my Wisper there is a long space between the seat post and the rack. I need to carry a fair amount of stuff but being unable to fasten the bag to the seatpost/saddle I am unable to keep the bag stable and it falls over to the side. How do others get...

Hi...I'm getting a clicking sound from my Wisper, I think it's from bottom crank. One "click/grind" for each revolution. does it need some grease in the bearing ?....can I replace the bearing ? ...help appreciated. thanks.....Mike

Hi...the charging connector on batter has come loose and when I disconnect it tends to pull out. Can I araldite it back in ? thanks....Mike

Hi....is the frame size the same on all Wisper 905s ? I am only 5' 7" but my Wisper is far too small for me, I dread to think what it'd be like for a 6 footer. It's fine for a few miles but yesterday I did 30 miles and I was knackered, ....can't blame it all on the small frame I...

Hi....when I bought my Wisper eco I changed the hard plastic grips for a more comfortable Raleigh rubber grip. The one I had to cut on the throttle side refuses to stay in place, constantly sliding off, I've even tried a coating of PVA bond to no avail...made it worse. What's the answer ...

Hi.....I have a camper van and a Wisper bike: I would like to avoid fitting a cycle rack but getting the bike into the van is a real struggle. Can I loosen the bolt in the centre of the handlebar post and turn the bars parallel to the frame ? It'd go in easy then. .....Mike

Hi...are there any difficulties in changing the fixed forks for suspension forks on my Wisper eco ?...anything I'd need to know ? thanks....Mike

Hi....I think there is a loose wire in what I assume is a joint box on the handlebar stem of my Wisper. I keep losing power but if I jiggle the main wire going into the bottom of this box I can get the power back. What's 'gonna happen if I undo the four screws and open the box ? Will I be...

Hi....I think there is a loose wire in what I assume is a joint box on the handlebar stem of my Wisper. I keep losing power but if I jiggle the main wire going into the bottom of this box I can get the power back. What's 'gonna happen if I undo the four screws and open the box ? Will I be...

Hi...I recently acquired a Whisper eco....I am trying to improve my comfort / riding position. I'm only small, 5' 7", I would like to lower the saddle height but that is not feasible so i'm thinking to raise the handlebars slightly. Has anyone changed the bars to get a better position ? or...

Hi....I have just acquired a second hand Wisper eco 2008 model 7 months old. ...allegedly done 500 miles and looks as though it's done less. I fully charged the battery and drove it exactly 30 miles, useing the battery very sparingly, only on low power and very minimum throttle, and this for...

Hi...some of you may be aware that I bought a Wisper 905 from Watkin5 and incidentally it looks brand new. Still getting to grips with it but so far so good...I much prefer it to the x6 which is still for sale by the way. Getting desperate to sell now, 2 cars, 4 bikes, 2 lawnmowers, 100 rusty...