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It is a known issue, on ES the guys reckon there is not enough shaft support so some have added one or two extra bearings on to the shaft.

Never heard such rubbish, ignore the advice and just go and ride.

Yes that charger is no go as the min voltage is 4.5v which has too higher starting voltage, it has to be 5v or less as the cells max voltage is 4.2v.

Two strong magnets, one for each side.

The White JST's are a very tight snug fit they aren't glued or stuck in, they are a two piece connector the female part is soldered direct to the PCB and the male part with the multi wires simply pushes in. Pry/lever it out gently a bit at a time from each side to remove using the wood or...

If mine I would charge balance and leave it to sit to see what occurs as you have said Matthew, if the voltage changes I would then do it again but this time with the BMS sense wires disconnected to rule out an open/faulty bleed resistor. If the result ended up the same still then one would...

Any old phone charger that is 5v will suffice, look carefully at the two wires the 5v/+ wire should have a stripe colour on one of them. But what one should do bare the ends put the probes on them and check for polarity, checking for polarity is one of the very basics with owning a meter. If...

I now only use Fogstar who sell only genuine sourced cells, but like most sellers supplies are scarce.

How much ? Shortage of cells and jimmy is certainly getting a good price for them at that rate.

The issue is getting hold of six genuine 35e's. Nearly all good reputable sellers have no stock.

The Black wire is B- or 0v when it is used, every other sense port along the JST is a 1s and is accumulative in voltage if the Gnd is left in the B-. Try it for your self using a meter you will see you don't just get up to 4.2v. For single cell charging via the JST one has to place the 5v...

The phone charge is 5v you can only charge 1s not 11s, SW the charger will blow. The best option as the OP can't solder or doesn't have the know how is to simply cut the jack plug off, bare the wires and confirm correct polarity and then attach the wires only to #11 cell group directly via some...

I did bookmark some on Ali at about 16w/mk for max thermal conductivity.

To me the thermal conductive strips look the better answer as they can be bought in a variety of thickness's to suit the differing air gaps are are slightly compressible.

5 miles is more then enough distance for the motor to get warm or hot at times esp on warm day, when I get my tsdz (a 48v 250w model) the first job I will carry out is an interior temp sensor and thermal heat mods. Pretty sure the heat affect also has some affect on the Blue gear failing as well.

The file opened but I couldn't hear anything. I can only suggest it is a set up issue or the system needs a factory reset/restore in the settings. I think I mentioned it early in the thread, I just don't see much point in trying a TS system on a hub motor.

Tsdz has many air gaps an hollows between motor/controller and outer shell, still air isn't a very good conductor of heat as all. The ES guys use thermal conductive sticky heat pads( as heat sinks) to wrap the around the motor and controller and to generally remove as many air pockets as poss...

I also have a nice UTE in Burgundy and plan on the same conversion next year. With the tsdz motor heat mods would be the first thing I would carry out before fitting as they do suffer with poor heat dispersion and are the start of Achilles heal of issues for them, more so I one would say for a...

Error 21 is speed sensor error so likely why the bike doesn't work because it doesn't pick up. Is the speed sensor internal or external ? The manaul I linked to is the same one for p850c. Bafang P850C User Manual (custombuilt-ebikes.co.uk)

The BMS are rudimentary safety devices, most cells keep good balance without help. The BMS has two uses it is there to prevent deep voltage discharge so typically prevent cells from going lower then approx. 3 - 3.2v or lvc , once any one cell group reaches lvc is shuts the battery down. It also...