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Currently fitted a 104bcd 36t China Brand SNAIL narrow wide ali chain ring and ali protector. When I get the rear hanger for the horizontal d/o's, I plan on fitting the double front 32/42t combo. Ordered off AliExpress seller for £3.89 & £ 3.29 each, buy the same items on Ebay and they are 4 or...

Rat build slowly progressing, saddle fitted and found a CF seat post in the spares bin. HDB's fitted, LCD4 in place and added a Nexus shift twist grip instead of the trigger shifter I have. Also added GP1's cut the RH one down with a craft knife.

The controller is in pic one trace the wiring from the PAS tot he controller and check the wire sequence or better still take good pics in sunlight and post them. It is likely I would have thought he has simply disconnected them or cut them.

Between Gnd/Black and 5v/Red you should see about 5v. Between Gnd and other colour/signal you should see the voltage pulse between 1 - 5v as you turn the cranks, the sensor and magnets in the disk should be within 1 - 2mm.

The Oxygen ST uses a similar frame which is likely a generic China/Taiwan frame utilised by other companies with different components and motor kits, the Oxygen is throttle capable.

In the first pic looks like you have to undo the Pozi screw om the red centre casing and assume it might slide off over the planetary gears.

I can't see what you have there, the pics are too dark and dinghy. PAS systems can't be turned off by a switch, they are the default system for electric drive with some able to utilise a throttle as well.

The LSW831 is 2019 dated so not very old.

In that case then a throttle can't be retrofitted if there isn't an unused three wire connection.

On Ebay Lishui LSW831 36v 15a controller for £15. https://www.ebay.co.uk/itm/controller-for-brushless-motor-36-volt/174265737970?hash=item28930c22f2:g:5FMAAOSw4ApeqX0N

Ananda are OEM only, I have never seen one for sale and they are like hens teeth. This one on ebay is a speed controller and Ananda but not quite the same model though it is 3615 or36v 15a so the same voltage and ampage, if the wire connectors are the same then might be worth a punt. The...

You need to unbolt it and Kango out some of the concrete floor and then set it in, 4 - 6" should do it . The flange on the bottom will act as a good anchor footing once the crete has set.

All my bikes I use a 10 pole disc which is a common number to have, there are no 9 pole ones afaik. You can use any generic magnet disc/sensor if yours only has 3 wire, the only thing to get right is the wiring order when connecting them. 5v must go to 5v usually Red or Brown wires. Gnd must go...

The other bit of info needed is does the battery actually give a SOC voltage reading from the discharge pins/connection ?

All I see is a BB shell with two cables running under it.

If the LED or LCD lights up then you know the fuse is intact, as Andy has mentioned do check battery SOC with a meter for a definite voltage read out.

Mosfets either do or don't work.

Pics please.

A brake sensor if fitted can cause the issue, if it the lever doesn't return fully the sensor may not be closed.

It's a mid drive not a hub drive the PAS sensor is internal.