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I may be wrong, but if your std mount is for a 140mm disc, then a 180mm (+20mm) adapter will allow you to fit a 160 disc, not a 180. Please feel free to correct me on this.

If the battery only reads 36v after charging, then the probem is with the battery, not the controller. Poss. the cells are very out of ballance or a dead string of cells.Have you tried riding your bike?

When the battery indicator shows zero, have you tried to ride the bike any distance to see if the indicator recovers?

Yes, you would have thought so, but that's appling logic to the situation, which sadly dosen't really mean alot these days. Now the recycling centres are run by large, private companies, things like fly tipping are not their concern, that's left to the local council. It would not surprise me if...

It's the same here in Devon, no bicycle access to the recycling centre. A friend told me he was refused access last year, he only has a bike, no car. Not sure if there is an appointment arrangment though.

Looks like a neat repair/upgrade from the poor Yamaha item. I bet this has happened to quite a few owners and makes me wonder how many people have been riped off for new batteries and chargers when they are told by the dealer there is nothing they can do to repair.:(

Your battery is 13S, so 4.08v is correct. BTW, there's 14 wires, the black one goes to battery -.

Don't give up on Jimmy at ebike batteries if he has not replied to you yet, he's always very helpful, but a very busy man, he deals with battery stuff personally. He should have no problem recelling your battery. If you don't hear from him today, give him another call. He is your best bet if you...

Great, that's a relief, glad i checked, will teach me not to rush a post :rolleyes:

I've just noticed the 2:1 cable I suggested to you is only 60cm long, which will prob. be too short, so get the 4:1. sorry for that, hope I've caught you before you place your order.

Order all the parts from the drop down menu on the Panasonic battery page, so: Controller-36v inner controller 9 pins-60cm this is an extension for the motor Brakes-not needed for PAS only Charger-2.5 amp it's prob. slightly better quality Display-LCD4 Cable-2-1 for the display to connect. 4-1...

With kit mid drive motors the controller is intergrated, but can be replaced on it's own, like the Bafang BBS range or the Tongsheng TSDZ2. Hub motors with intergrated controllers are generally best avoided as they are prone to failure and parts are generally not freely available. Batteries with...

The 250/350 motors are totally identical, just labelled differently. The sticker on the motor is very prone to falling off before your first ride ;)The 100 is so small it's never going to be seen as illegal and it's impossible to test it's nominal rated power. External controller and excess...

The AKM/Q100 motor is a great little motor as long as rider is under around 80 kg. TopBikeKit are a well established seller, as good or better than others, although you may hear of bad experiences , as you will with most companies here and abroad. If you fancy having a go at building your own...

I've ordered from them several times in the past, as have many on here, all been ok and received in good time, so not experienced the way they deal with problems. Lav 180, how long have you waited for your refund and did you keep communication simple, pleasant and polite? It does seem to me that...

Glad you found a solution. It may help others if you provide a link to the controller you got, assuming it was a oem direct replacement item.

You can get a cheap 24v 10ah silvefish battery for around £100 on ebay, not gonna be the best quality, but would get the bike working. https://www.ebay.co.uk/itm/114253117189?hash=item1a9a043705:g:bnMAAOSwsChe4u71

That's a square taper crank. Make sure you screw the outer thread of the puller fully in, or you may strip the threads. It's often a good idea to remove the inner part to make sure it's fully home.

This guy, Daniel, a member of this forum should have all the parts you need, but prices are considerably higher being in the UK with the parts in stock. https://torquetech.co.uk/

Sounds like the voltage is sagging badly under load and the BMS in the battery pack is cuttin power. When it cuts out the voltage recovers and the BMS turns on again. It all adds up to a knacked battery, or at least one bad string of cells. The BMS monitors all 7 groups of series cells in the...