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Controllers and displays normally need to be bought as a pair to make sure they talk to each other. Kt are used by lots on the forum and I see no reason why a display and controller would not work with any generic front hub. Don't know the bike you're referring too, 'Smartmotion' could imply...

As others have confirmed, the leds are live voltage indicators. They show the battery voltage instaneously. Even if you have the 'large' 180Wh battery, that is only a very small 5Ah. Not good for much more than a bit of shopping round town - if it's fairly flat. Any heavy draw on such a small...

Any motor that is marked as 250w will be legal. This is it's maximum continuous rating but means very little. If used in conjunction with a 7A continuous controller this will give 14A max. At 36v nominal this is 504w, at a fully charged 41v this is 574w. This will still be legal. A...

The led indicators do not indicate how much charge is left in the battery. They are voltage indicators. When a heavy draw is required of the battery voltage will decrease then recover when the draw/load is removed. Small Ah (Amp Hour) batteries will suffer more from this. Also the current...

Well that's gonna look great on my Mercedes Smart Bike :rolleyes:

Just come back from holiday with my sister in law. She has bought one of these: https://jorviktricycles.com/jorvik-elite-low-step-through-electric-folding-tricycle-jet-e?gad=1&gclid=Cj0KCQjwn_OlBhDhARIsAG2y6zNPE3Fbz2vsK9m3arXtLUlm9Ar83N1B4p9NRW6le4HUHsy7IBCiaS8aAgSLEALw_wcB It is 250w front hub...

So back to my question. Who should be the named manufacturer if it's a conversion kit ? I'd be using AKM motor on a Velotechnic Street Machine GT with batteries from Jimmy. How about 'Velobenjimakm' , rolls of the tongue don't it? Also, how does it make sense to be putting a plate on the frame...

That's why I use Anderson power plugs, both sides are shrouded. https://uk.farnell.com/anderson-power-products/asmpp30-1x2-rk/plug-rcpt-housing-2pos-pc-red/dp/2949132?gclid=EAIaIQobChMI_9v00cqOgAMVUe7tCh0svAjJEAQYASABEgKqjvD_BwE&gross_price=true&CMP=KNC-GUK-GEN-SHOPPING-PMAX-CLM-NCA

I ALWAYS seperate the batteries for charging because I have one 4A charger and one 2A. However, even if they were the same amperage and make, there are too many variables. Terminal voltage setting could be adrift by 0.1-0.2v or more. As they heat up during charging component drift will differ...

Used a simple Y splitter on two batteries for about 5 years now. I ALWAYS measure the voltage of the two packs before connecting together. I will not connect if the difference is above 0.5v. Although both packs have their own chargers, I use the same one to finish both packs, so not normally a...

So, back to kit labelling. My Carrera is a 2014 bike with a kit bought in the same year. I have receipts for both so I guess I'm not that bothered about that one. However, I'm about to convert a Velotechnic street machine which is a much more expensive base bike which would really hurt to get...

I have a Carrera with an Ezee kit (no markings on the motor), and will shortly be doing a kit conversion on a recumbent. What label should be on these bikes?

Mate, I wish I was that 15 year old. That sort of hands on, broad ranging practical apprenticeship is sorely lacking. Instead it's all classroom based theory and bits of paper probably taught by a guy who hasn't actually been 'on the tools' for years.

Me too. I have a Carradice handlebar bag that has a kind of polypocket clip on top. Takes a folded map which generally displays the area you need (unless you're Mathewslack on one of his sojourns). Does mean I have to stop and put on my glasses to read it, but I'd have to do that with a phone...

Looks like once again a tradegy caused by a battery left unattended on charge over night. I wonder if there will be anything revealed about the type/make of bike, or indeed if it was actually a scooter? My own bikes are in a downstairs room which is under my bedroom. However I only ever charge...

How to avoid neck pain? Don't ride a bike ! It can be reduced, however, by: Not having drop bars. Raising the bar centre up to or higher than the saddle nose. Installing swept back bars that incorporate a rise. (Helps with wrist pain too). All this is dreadful for aerodynamics but, hey, we ride...

Tesla Power walls do exactly that. Monitor mains and do an auto switch over. I guess the need for an earth rod is belt and braces in case the grid earth connection to the house is disconnected during line work. Not likely but possible. Installing a rod is no problem and used to be the norm...

Might be teaching my grandmother to suck eggs here, but this is what I've gleaned. The solar panel inverter has to see a 50hz signal and voltage before allowing the P.V.'s to pass power to the grid. So if mains goes down, no solar generation to prevent back emf being fed onto the grid when...

Great ! Lets make a pedelec (cheap form of mass transport) that's full of proprietory, unrepairable parts and increase the fault liability while we're at it. Yeah, that's the way to go ! What happened to garden shed maintenance. Over the weekend, I showed my daughter and son in law how to take...