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Aikema also have the 800w geared hub that needs no d/o strectching and claim > 60n.m.

To7 Sozhou is a new start up company started in 2021, time will tell if we see the tsdz2 totally disappear form the market but I believe this to be a newer model upgrade, possibly we hope better engineering and reliability with a complete new rebranding of the tsdz2. The To7 midrive has the...

From my perspective it looks to me like a product upgraded model with rebranding (to all intenses and purposes the shape and outward design looks the same), after the court case Bafang won regarding the Tongsheng tsdz2 nearly all references to the model name were pulled on all the major...

I don't see that a mid drive will give 15years of reliability that the current bike has , the only failing is the cheaper trailers failing. What hasn't been said is in which way the trailers fail. Another thing to consider is a new posh looking bike is likely to be a magnet for theft , whereas...

I have already mentioned in #7 what she could do.

Might be a dry solder joint onthe bms wiring , worth trying to wet the joints again and possibly use a bit of fresh solder in to the mix to see if it cures the issue. If not then one could try a new bms. Though before a new BMS, one needs to see what is happening with the voltage sag before...

Very much sounds like a display fault then as when one shorts wiring the motor works. If Wisper can't help with a new display replace every thing with a new controller and matching display, a KT upgrade is the easiest option esp for setting up.

Looking again at the OP's needs, not only does she need room for four pooches but also some basket space for other items. Not including the metal battery box as a new bike would have a frame battery somewhere. Pashley sell a industrial look trailer that claims a 60kg loading. EuroLoad Trailer |...

There is no issue cycling on pavements as indicated by Paul Boeteng in 1999. That guidance from Mr Boateng, issued in 1999, said: “The introduction of the fixed penalty is not aimed at responsible cyclists who sometimes feel obliged to use the pavement out of fear of traffic and who show...

I have put a double on a BBS01 and currently use a double on my tsdz2 . With the cargo ute a double is easy being a LWB and means chainline isn't a consideration, there are no cross chaining issue and I can use all 18 gears.

My bet is it is a temperamental bms issue , something like an oversensitive temp sensor . Likely hood now at 4 years old with no warranty is to swap out the bms for a generic china one.

If you have power to the control panel/display then the battery wire/cable connection is fine (but will need the grommet reinserted ). The battery wire/cable has no effect on the hub motor as the hub motor wiring only connects to the motor controller box. If the battery wire grommet has been...

I to an extent agree , the regs for power control are all wrong. There is no regulation on the controller max current in use . So any controller can be used with a 250w rated motor, how long that motor lasts before failing is an open book. If there was a max power controller rating we woul...

The Kt BT donge will work , if you marry it up to a KT controller . It won't work with other brands.

If you can get good money for the bosh batteries then sell them , if not simply rip out the bms and use a generic bms .

Indeed the hub is unsensored , it does have one Hall sensor for the speed sensing and magnet. One might be able to use a KT controller and display, keep the existing motor cable to controller extender and make the correct connections to the KT controller wiring. One will have to make...

The Heinzman are a class act and very very expensive to buy.

For a heavy duty trailer that is light and collapsiblet the OP needs a Carry freedon L or XL trailer with the old pooch compartment added to the flat base . The CF's have a 90kg weight carrying ability if not attached to a QR axle, though has no suspension. Typically most trailers are only...

The issue is it is illegal to ride a 1000w or 1500w rated motor even if it is reduced in power , simply reducing the speed limit to 15.5mph doesn't reduce the power. So unless there is software and the display can reduce the current load it isn't feasible. Your controller rating must be approx...

One will have to remove a good spoke to get the length correct before ordering replacements.