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Waspy

Esteemed Pedelecer
Sep 8, 2012
500
200
Can you set magnet number = 2?
I do not have a KT controller/LCD/PAS.

Whenever my battery comes to the end of its life, I will be switching to a KT setup. But that could be quite a while and we'll probably all be in flying cars.
 

Ghost1951

Esteemed Pedelecer
Jun 2, 2024
2,192
980
Yeah, I really needed a second person to do the filming. I was turning the crank by hand. So, on max assist just turning the pedals at a medium pace activates the PAS to the legal limit but if I turn the crank fast, it is obviously making the rear wheel go very fast. The thing is are the police aware of all this or would they just go for it to see how high a speedo reading they can get?
If your bike is legally configured I don't think you have anything to worry about. From what you say above, it was YOUR arm effort that was making the bike wheel go fast, not the motor. If your bike is legal, just relax, ride it sensibly and enjoy it.

Nobody is after people like you. I seriously doubt that cops anywhere in Britain are searching for people who come to a forum like this, and try to make sure their bike is compliant. There are real hooligans riding about and obvious law breaking. That's not you.
 

Waspy

Esteemed Pedelecer
Sep 8, 2012
500
200
If your bike is legally configured I don't think you have anything to worry about. From what you say above, it was YOUR arm effort that was making the bike wheel go fast, not the motor. If your bike is legal, just relax, ride it sensibly and enjoy it.

Nobody is after people like you. I seriously doubt that cops anywhere in Britain are searching for people who come to a forum like this, and try to make sure their bike is compliant. There are real hooligans riding about and obvious law breaking. That's not you.
Yeah fair point, I just don't want to get my bike crushed because I've got the wrong sticker or something.
 
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guerney

Esteemed Pedelecer
Sep 7, 2021
11,965
3,357
So this morning I went to get my bike out of the shed and the back tyre was completely flat.

So shoved a new tube in there just to be on the safe side.

Still, it gave me an opportunity to file just a little bit more from the drop-outs to get an even snugger fit for the axle.

So anyway then I got my bike up on my DIY bike stand and thought I'd try one of these police back-wheel-off-the-ground-speed-tests.



So when I'm pedalling slowly, sure enough the max speed was 15/16MPH, but If I pedal fast it would go over 30MPH.

The thing is, if you get stopped and they decide to do this type of test, how do you convince them to pedal slowly?

I do not believe rozzers are doing this stupid test.

Can you set magnet number = 2? Did that to my BBS01B and it's now happily showing half speed on this dumb and fictitious no-load pedal assist speed test, and it's very arduous for me to show much faster than 20kph pedalling by hand with the bike on a stand. Half speed, probably because the second magnet (Cateye) isn't long enough, or as long as the Bafang kit magnet; the Cateye needs another magnet stacked and stuck on to be closer to the sensor. The Bafang kit magnet is stronger than the Cateye, which is stronger than the cheapo AliExpress spoke magnets. As is, my bike will pass this ludicrous and absurdly stupid fantasy test, if the fuzz go by just speedo readout.
I do not have a KT controller/LCD/PAS.

Whenever my battery comes to the end of its life, I will be switching to a KT setup. But that could be quite a while and we'll probably all be in flying cars.
But that could be quite a while and we'll probably all be in flying cars.
I could afford being abducted and trapped in the boot of one of those.

Had another go with two cheapo AliExpress magnets this time and.... speed is correct until a little over 27kph, then the controller becomes very confused and calculates speed at 16kph to 19kph regardless of how fast I pedal by hand with the bike on the stand. Same result using two Cateye magnets. We're allowed 10% over = 27.5kph therefore again, as is my bike would pass the no-load pedal assist speed limit test, if pigtailed fuzzball Jesus-beardy plod go by speedo readout alone.

With 7 AliExpress magnets, max speed displayed is about 7kph max regardless. Bafang controller much confused, but my wonderous bike of maximum awe inspirementation and absolute magnificence of the highest order possible in this universe or any other currently existing in this multiverse, passes yet again!

These AliExpress cheapo spoke magnets require glue to stop them turning on the spoke. The Cateyes don't, neither does the Bafang kit spoke magnet. AliExpress cheapos are shoddily made pieces of shizz.

Two Cateye magnets will do the job, if I believed fuzzball Jesus beardy pigtailed tasermeister rozzering plod orificiers were doing this profoundly stupid test, and I most emphatically don't.
 
Last edited:

lenny

Esteemed Pedelecer
May 3, 2023
4,084
1,156