• Warning!!

    Riding a tuned or deristricted EMTB is not a trivial offence and can have serious legal consequences. Also, many manufacturers can detect the use of a tuning device or deristricting method and may decline a repair under warranty if it was modified from the intended original specification. Deristricting EMTB's can also add increased loads for motors and batteries. Riding above the local law limit may reclassify the bike as a low-powered bike, requiring insurance, registration and a number plate.

    Be aware of your local country laws. Many laws prohibit use of modified EMTB's. It is your responsibility to check local laws. Ignoring it, has potential implications to trail access, and risk of prosecution in the event of an accident.

    UK Pedelec Law

    Worldwide Laws

    We advise members great caution. EMTB Forums accepts no liability for any content or advice given here. 

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Wadera said:
I need to share my experience here as a warning to others, because what happened to me was frankly unacceptable.

I used Rudie's service to get my Bosch Smart System unlocked. After a few rides, my bike completely stopped working and threw error code 518122 (see photos attached) - On the other hand my partner's bike working just fine, so I have no idea what's happened. But whatever the reason I've got a bricked bike. Useless. I tried to reach out to Rudie to report the problem and get help — and he had completely vanished. No reply on WhatsApp. Nothing. Gone.

To make it even worse, he went back and quietly edited the title of his original post in this thread — the one that confidently claimed he could unlock ALL Bosch motors into ALL BIKES LOCKED — and just disappeared, leaving everyone who used his service stranded with no support whatsoever. No website. No contact details. No accountability. Just silence. That is an absolutely disgraceful way to treat people who trusted him and paid for a service.

I was left completely alone with a broken, unrideable bike and zero recourse.

The only thing that saved me was finding eBikeDoctor. What a difference. Professional website, clear information, and he responded almost immediately. He fixed my bike completely for free in under 15 minutes. I was genuinely stunned at how smooth and professional the whole experience was compared to what I had just been through with Rudie.

I cannot recommend Rudie's service any more. If something goes wrong — and as you can see from my photos, it can — you will be left with nothing. No help, no response, no way to even reach him.

View attachment 181550 View attachment 181551

And now just a month later he come back to forum like nothing happened and try to keep selling his service and attacking another specialist which is his competitor by accusing him of being scammer this is just ridiculous.

@EbikeDoctor , on the other hand, I cannot recommend highly enough. He actually stands behind what he does. I have no clue what happened that his initial forum topic and his original account has been banned, but looks like on this forum people got banned without any explanation.
Click to expand...
What exactly did Rudi do ? Unlock your locked bike ?
 
Mine was unlocked by
Rudi a few months back. Updated firmware today, 0 issues.
 
Rudi did mine as well, everything worked fine. Yesterday I asked him on Facebook about updates, and he said it shouldn’t be a problem. But today his profile is no longer visible🥶
 
I contacted eBike Doctor and received a reply within minutes. That’s really commendable💪
 
Is there a solution for a non smart system (bosch performance line cx gen 4) or is my only option the volspeed 4 tuning chip?
 
I got In Touch with the e-bike doctor a couple months, I have reached out to unlock another bike and he informs me they don’t service Australia anymore? But couldn’t tell a reason as to why.

Anyone else got this from him ?
 
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