Buying 750W or 1000W motor for a road bike is like shooting your own foot. There are no benefits and all what you will get is pain. Buy 250W rated motor and set controller for 500W or 750W if you must. You will have a legal bike and more power than you really need.
Hi - I have a few questions about what to choose?
- Thread starter goral
- Start date
Here's a thing. A proffesional cyclist doing a mountain climb on the tour de france can produce around 650w - but not for long. They can sustain 200-250w for long periods.
Just sayin'.
Just sayin'.
And about 1400w output on the final sprint to the line.
The peleton speeds are quite impressive often tootling along at 50kmh for 10's of km's.
Too good to be true imho, considering what you would expect to spend on a quality battery that size and how much that leaves remaining for the whole kit???
It's probably a scam. I've never seen a 52v 29Ah battery. It would be possible to make or sell one, but it would need 140 18650 cells or equivalent amount of 21700s. Even if it's genuine, it would weigh over 7 kg, which is too heavy for a normal bicycle.
Much, much too cheap. That's a scam.
You've been given good advice here about the law and electric bikes in the UK. If you want to buy an offroad kit and use it with your town bike do so by all means, but expect it to be impounded if the police catch you using it. They will be cracking down on this issue, I suspect - it's in the public eye now.
still pretty cheap - that on Ali Express ? After you put it in the basket and come to pay is that the price (including tax and delivery) ?
Can't find bafang kits on their official website
"https://deruizebike.com/"
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Police stop every bike converted to electric?
Also, for town riding, I can (from what I read) reprogram the controller to 250W and the speed on the regular display.
Anyway, I have no intention of going over 20mph on my bike! Especially in the town where pothole upon pothole.
This is supposed to be for off-road.
It's also meant to be for later, to change bikes, maybe to fat tyres.
I don't want to buy a set again for another £500 or £800.
I want to buy once to last 'forever'. Especially as it's a very simple fitting, not interfering with the structure (no drilling holes).
Electric bike regulation form:
Electric bikes: licensing, tax and insurance
Electric bikes meeting the EAPC regulations can be ridden on the road without being taxed, licensed or insured
"
Its electric motor:
- must have a maximum power output of 250 watts
- should not be able to propel the bike when it’s travelling more than 15.5mph
If you reprograming controller for 250W - that means is max 250W!
There is nothing here about potential power or specific models but only about maximum engine power, on the road.
Oh yeah... that... I am sorry to say, but it is a disinformation. Quite embarrassing.
How are you going to prove that your bbshd is programmed for 250w? There is nothing in the manual how to do that
Is there any way to check the orginality of the motor?
Is it possible to tell the difference between an original and a clone?
It seems to me (I am not a lawyer) that the burden of proof of engine power, is on the one who suspects/defames you.
That is, the police authority/court in question has to take the expert's opinion.
This is how it works in other cases.
At what point, I don't quite understand?
I don't think it is a scam. Price is about right for this motor and this battery. You can have it from PSW Power for more or less the same money, but they don't have this motor in UK at this moment.
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