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One shouldn't rope in all ebike conversions as being hazardous, it does though just appear to be in the main the DD type motors and those who may opt to charge or use non optimal process in doing so. The fast food ebikers and there dodgy bikes are simply not regulated or checked over as...

Without roping all incidents into one category of user, we can partly assume that a lot of these fires that occur are converted bikes used by the fast food merchants. They aren't bothered about personal safety with regards riding illegal mopeds , traffic laws , no lights or safety to others...

Did you have correct C1 parameter set ? Or tried back pedal ?

Have a look on the inside of the cover plate.

Replacing a crapwave is a no brainer and the £70/£80 spent on upgrading to a much better KT is night and day, one gets much better power control and can max out the speed in any PAS level.

The tsdz2 coaster brake version would be my choice if planning on converting the original bike , as a mid drive you wouldn't notoice any weight difference because the Cof G is central and very low and in general will be easy to lift or manouvre. Small light hubs are ok if you don't live in a...

The only maintenance HDB's need are new pads when the old are worn out or the rotor and pads cleaned if they get road grease on them . Crappier makes might leak but if you stick to shimano then one shouldn't have cause for trouble.

Speed levels are unneccessary as a control method because most will just simply use level 5 for max speed rather then having to thumb up and down. With torque control one simpy selects the power one wants and pedals at a speed they are happy at , each PAS level one can pedal to the cut off...

We need more to go on, such as price range /budget. Childrens age , size &approx weight.

Your Lishui is currently set up for speed control and the affect/ poor control you are experiencing is typical of crappy speed control and often is used on many china hub bikes, those of us in the know use the much better KT current control which China call torque simulation control in each PAS...

With the fires that get reported all we know is they have one common factor and that is Lithium ion is involved, otherwise the actual lead up to the events aren't known at all. It does appear that self build bikes are in the most part involved so a mismatch or just poor knowledge of component...

Is this going to be a self build battery or a ready made one ?

If one wants a light weight brommy option and long range isn't needed then Woosh can 3d a battery fitting to use a power tool battery.

With a hesc bike one throws everything away bar the battery and motor, any controller in the battery base one removes the guts as it is useless and of no use . The battery can be kept and used but would need the BMS taking out and a generic BMS soldered in instead, a competent person who...

Charging in the house is safe. Use the correct charger, make sure the charger has power to it before connecting to the battery. Don't charge near a water source or hot heat source. Don't charge, leave it and forget about it. Don't charge over night when a sleep. Charge till the charger light...

Tongsheng tsdz2 mid motor have a coaster brake variant of the motor.

Those things are no good and don't really tell you much, it gives no voltage values except shows one aseries of led lights. Also they ar e no good for systems with w/p connectors, a normal test mulitmeter DVM will tell one more .

Definately sounds like a commutation issue. Often it is phase or a Hall issue , I beleive the switch uses waterproof (w/p) connectors so testing is a ittle more difficult . Typically we would test for a mosfet issue or motor Hall issue, with w/p connectors one has to make up a Y lead to plug...

With the Suntour one should simply keep the Carrera frame and upgrade the electronics , keep the motor connector intact as it is and simply join the wires at the motor cable end to the controller. Others have gone this route and simply connected colour to colour without issue , though one...

350w hub or 250w one won't find any difference hill climbing, for torque motor rpm, current and wheel size make the difference along with gearing. The wattage is really neither here or there.