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Show a picture of the whole thing that fits on my page so that I can see what it is. I can't see any of your other pictures because they're too big.

What bike is it? 135mm is very long - not a common size. What's the reason for needing such a long one?

You can find them on Aliexpress. Search for thin or narrow silver fish battery.

If the damage is where you show the cable sheath is open, you don't need a new cable. You need to find which wire is broken, cut it open and solder the two ends together. If you don't know how to test, ask and I'll explain. When you say it doesn't work, which symptoms do you have that brings...

Some controllers require a high pulse, others require a low pulse from the speed signal. You have to experiment to see what works.

You can buy motor cables from ebay; however, it's very difficult to get the cable through the axle, so you should only attempt the repair if it's absolutely necessary, like when the cable is damaged enough to prevent function. Yours looks OK. Does it still work?

You're replying to an AI bot that has the A but not the I.

That happens when you set the number of magnets in the speed sensor to zero. You should have P2=1, assuming that there is one magnet stuck to the inside of the hub. It's nothing to do with P4 nor C4. They're for how the pedal assist a d throttle work. You should set p4=1 and C4=3 if you want a...

6 days!

It will be a standard SS41 5v bipolar hall sensor. You can get them anywhere for a few pence.: https://www.ebay.co.uk/sch/i.html?_nkw=ss41+hall+sensor&_sacat=0&_from=R40&_trksid=p4432023.m570.l1313 Are you sure it's not working? Often, you need a pull-up or pull-down resistor to test their...

I think that's called cutting off your nose to spite your face.

Xiongda versions for the two-speed have special software. If you tried to use one on a normal motor, it would switch the direction to reverse every time you encountered a hill unless you set it to manual shifting mode. It's so long since I had one that I can't remember how manual shifting...

You're too quick. I added to the above post.

If it were the aluminium battery, you could get a shorter one. Replacement plastic batteries are pretty rare. It might be possible to adapt to the aluminium type if you're good with tools. Also, there were different length plastic batteries. Yours seems to be the optional longer one. If you...

KT uses two speed signals for different functions. Speed sensor is used for the LCD, assuming a non-zero speed sensor setting, and the halls are used for the max speed cut-off.

You can't fit any battery directly to it. If you want to use a standard Chinese battery, you have to swap all the electrics except the motor to standard Chinese ones.

They do a 200w version for only £27. You can always limit the current with a charge controller if you think it's going to be too high...

Your post was anecdotal. Mine is scientific, since I have the evidence in front of me. Here's some more scientific evidence. I could also show you a picture of the mashed potatos I'm having for my dinner. It's time you stopped all this woke and anti-Trump shite. You don't get that on other ebike...

Both methods will sort out the low cell. Your suggestion will be faster.

That's weird, my potatos have done better than ever this year, and so has all my fruit.