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My own diagnosis remains the same: The controller is screwed. It may be one-step up from a truly basic speed limited controller, but it isn't a KT with a user programming menu, or a Bosch or Bafang with apps you can twiddle and alter parameters. Even Halfords new Hyena system has a programming...

As you've got the batteries, for what you want to achieve, I'd just do that too. As @matthewslack points out it's not the most efficient, but it is a cheap, robust, safe solution that works. For my 2 x 10.4Ah 36v ebike batteries, I've done it with an old 100Ah van starter battery, a cheap 100w...

As sjpt spotted, the graph is the correct one from the Pendleton manual. Not all cheap e-bikes just use pure speed limiting: My own "cheapy" Fiido £800 folding e-bike (with unrestricted throttle) uses exactly the same current limiting/speed capping (It's why I didn't feel any need to change to a...

If you can change between the three different levels on the display, but can't tell any difference between low, mid, and high assist being applied (i.e. it's just full-whack all the time), IMHO it's probably the controller at fault. There's a sensor on the crank by the pedal so that when you...

It looks to me as if you just need to set-up your rear derailleur again. Plenty of articles and youtube videos to show you how to do that. If all else fails/you feel you're out-of-your-depth, just take it to your local bike shop; it'll be a quick job to them.

Presumably, the first of many such prosecutions given the rising popularity of e-biking. Most of the lower-end Chinese brands are equally guilty (even if their ebikes are far from this extreme) now they've effectively set-up shop in Britain post-Brexit.

If you look in your Pendleton Manual, you'll see a graphic which explains how power is applied: If the bike is in maximum assist, it will "lunge" as it applies maximum power as soon as the pedals are turned until it reaches 15.5mph, the legal limit. You need to turn the assist level down to...

The Mycle and Fiido are about the same price. To compare a little, the Mycle has a better control system (KT) and decent branded battery cells (LG/Samsung) both better than the Fiidos. The Fiido battery is bigger at 11.6Ah against the Mycle's at 6.4Ah which is only important if you need the...

Yes, the Dorado style battery pack is removable and used by several e-bike brands. It's available in different capacities - the higher the Ah rating, the greater the distance you can travel on each charge.

The problem here is that: A) This is largely a UK forum, and you're in Chicago. B) To promote your business, you need to pay to be registered as a Trade Member here.

I do like Rossman and the arguments he makes but... If Rossman took his head out of his own backside once in a while, and read beyond the text he highlights, he'd see Raleigh are (almost exclusively) using Bosch systems. Why? Because that's largely what Retailers want to sell, because that's...

The old Halfords Carrera batteries had a battery health function. IIRC, it was just a measure of how many times the battery/cells had been cycled. I'd guess it's a quick way for a retailer to tell if the batteries had been hammered to death when dealing with a warranty claim - Deliveroo riders...

The MiRider (as you already know) is a Onebot S6 with a few modifications. The Onebot S6 is about the same price as this Whirlwind in Europe (£470). You could take either ebike and 1) change the controller to a KT and 2) change the brakes from generic Chinese to a branded Chinese made...

80% of a 500w battery in 32km/20miles seems like pretty heavy usage to me. I have two 400w batteries that need to be charged differently to top them up. By default, they only charge to 40-41v when the charger light turns green. On one (TranzX), you need to unplug the charger, then put it back...

I now have 3 e-bikes, but my folding e-bike for commuting (I use trains) is a Fiido D11.

The Mycle appears to me to be virtually the same bike except is has a 6.4Ah battery and the Estarli a 7.2Ah. But the Mycle is a good couple of hundred cheaper even with the rack, lights and mudguards. They both look quite good to me (if you're looking for a lightweight 20" folding e-bike - as I...

My bad: I'm crossing two site threads. Simon posted the same question on FB where I got the distinct impression he wanted to keep it cheap. The usual route taken on the Fiido Owners Group is the Shimano one. I've never checked to see if the connectors are H or J.

The man that sits on my left at the bar in my village pub is someone quite high up in the Metropolitan Police. I asked that very question: "If you're caught pi55ed riding a bike, can you be prosecuted?" He advised "Technically yes. But so long as the bike is legal, it would be laughed out of...

The wiring has been pulled. Follow the cable from the wheel back to the controller in the frame and ensure all the connectors are snug. If there's a connector between the two (some don't), make sure it's pushed fully home. If the cable has been yanked at the wheel end, you'll need to remove the...

4-pot calipers are all nice and lovely: It's the kind of brake you'll find on a 3/4/5k bike. I'm not dissing Neals suggestion, but £40 MT200s/375s are more than adequate on a £1k bike. IMHO, the issue is 60% rotors and 40% caliper. Fiido brakes are sintered, so the rotors are hardened. They...