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Well, I am definitely an older cyclist. Self powered Alpine ascents are but fading memories but I have recently rediscovered the pleasures of hilly terrain thanks to my Cannondale conversion. I really only use e power as hill assist, the rest of the time I ride 'powerless' and at relatively high...

Thanks Woosh, sounds like DWG2NC is just what I am looking for. I am not in a rush so I will contact you in a couple of months.( My wheel size is 700C )

Well, today must be my lucky day ( makes up for this week's puncture ). I got an old MTB wheel, checked it was 135 and it was an easy fit with minimal stretch on the chain stays. My drop outs actually measure 131 but I was atonished how easy it was to fit compared with the battle I had ( and...

Thanks for replies so far. I am going to simulate a 135 hub tomorrow and see how I get on. I am a bit sceptical it will be as easy as suggested because I had a similar issue last year fitting an XF08C ( 40mm nominal oln ) into a Cannondale that measured 137mm. I took out a washer to save 1mm and...

I have a much loved titanium bike I use for day rides. I want to convert it to be an electric gravel bike ( it has big tyre clearance ). Like all road frames up until recently it has 130 mm rear drop outs. As I would prefer to use a rear hub motor this is a problem - they don't seem to exist ! I...

Dear Mr 50 Cycles. I am Babsbike and a real customer as well as initiator of this thread. I sent you a claim for reimbursement by recorded delivery dated October 8. You have not replied. Why not?

I had considered the hub motor conversion but from a theoretical point of view as I do not have detailed knowledge of how all this works in terms of the electrics. ( I previously did a hub conversion on a regular bike and that worked just fine ). However given the random nature of my power...

I am probably one of many ( 100s ? ) with perfectly serviceable Kalkhoff bikes where we have run out of patience with failing Impulse motors. Is there an after market motor/controller option to recover the use of these bikes. At the moment I am faced with £2000 of scrap after only a couple of...

I am not enough of a metalurgist to be able to forecast fatigue failures! However my central point was that a kit would be my preferred option, if such a thing existed, and that could only realistically be bolt on.

I think there could be a significant market for Kalkhoff ( Duma ) motor replacements. I have perfectly good Kalkhoff Tasman which my wife uses but after the second replacement the third is showing signs of stress. I had given thought to replacing the motor/controller with something potentially...

Having somewhat naively kicked off this thread I am amazed where it has gone! Something that has not been commented on are the retail stores. I got a replacement motor ( my 2nd! ) from the Twickenham store in May so they at least were operating then. Subsequent attempts to reach them by phone...

I can confirm everything that Cathy ( Tallbiker ) states. I am sending my credit card claim off today. If by any chance you have used Barclaycard Cathy they have a specific 'Disputed Transaction Claim Form' on their website. Good luck

I have subsequently learned that a CVA applies when a company is insolvent. I am not sure how they have continued to trade especially as the new company ( 50 cycles distribution Ltd ) was not registered until 6 September 2019. I am now appealing to my credit card company under section 75. Anyone...

I am new but but I found this site when searching Kalkhoff Impulse issues, of which there seem to be many. I am in dispute with 50 Cycles who supplied my wife's bike- a Tasman i8. It seems that 50 cycles have given up on the Kalkhoff franchise - think I read that on here. My attempt to contact...

My first message. Both my wife and I are keen cyclists. My wife got her first pedelec ( a conversion by me ) about 5 years ago. It was a transformative experience. We can now cycle together for longer more interesting rides. She has 'upgraded' ( another story ) to a Kalkhoff Tasman which ( when...