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Put up pictures of the controller, especially any labels. Worst case is new display and controller, of probably better type. Those parts are often paired, so controller alone unless from original manufacturer of the bike may not work with your display. But fixable, one way or another.

That battery sets you up very well for long trips. Spring is here. The time for talk is over: time to ride.

Bosch would need to answer for themselves. Some of the differences I see are: No throttle on a Bosch, entirely controlled by a sophisticated algorithm and accurate, fast responding torque sensor. Higher motor power is only available with higher rider power. No means to override top speed...

Clarification: TSDZ8 bought anywhere except Woosh is NOT legal, because manufacturer rates it at 750W. You'll likely be fine with a Woosh 250W marked TSDZ8, but one day it is possible a court will be asked to judge whether apparently identical motors can apparently be derated just by marking.

On the face of it, very similar. They have lots of bikes listed, not all in all sizes, so just double check size, warranty, all the basics before committing.

An example, rather than a recommendation. I know it is another £400, but this has 75Nm Bosch Performance Line motor, basic but effective Shimano MT200 disc brakes, same 500Wh battery, and Shimano Cues wide range 9 speed 11-46T gears. Cues is designed for longer life on ebikes, and the 9 speed is...

I was going on the Bosch names rather than firm knowledge of the numbers. Active Line as far as I know is the bottom of the range, then Active Line plus, Performance Line, Performance Line CX. My bike is only 40Nm, and I tour 'heavy', up to 150kg all up weight. I had to fit a lower bottom gear...

Ebike touring is a brilliant thing! I've done a lot of it, UK only, mostly Scotland and regular round trips to north Wales. Charging is your only issue, which is solvable by planning and confidence building ahead of time. On my first trip, I called cafes and tourist attractions ahead to ask, but...

You could use the above as your criteria and save a lot of going round the houses. Mid-drive bikes using Bosch motors with decent sized batteries these days start around £2K, and sometimes a bit cheaper in sales. Cheaper bikes are either 'bottom end' mid-drives with the lower torque motors and...

If they will sell one to a friendly retail outlet near you, that might be the answer. Assuming it is a simple 'generic' system you do have the annoying option of replace with a different battery, but that will usually mean replacing the mount and perhaps the rack. Were you able to find a phone...

Your best guide is to test ride the main types of ebike to see how you like them. Try mid drive and hub motor types, decide if you need a low step or step through frame, and go from there. Are there any bike shops or people you know with ebikes that could help with that?

Six magnets, potentially six times faster to respond, so that should help if the algorithm is written to take advantage. External speed sensors with only one spoke magnet can only measure speed once per wheel revolution, which is about 2.2 metres for a 700c wheel. So that potentially gives a...

2500 miles is nothing, and it has been working recently, so hopefully fixable. I would start by removing the battery from the bike and inspecting all contacts between it and its mount. Same for any other accessible connectors, including at the display. Just disturbing them might be all it...

Again, the settled speed attained is what matters. Why would there be a difference between the maximum assistance speed demonstrated in a wheel off the ground test, and a test ride? Surely they give the same answer, provided any speed overshoot is allowed to settle? The risk comes mainly from...

You'd hate it! It is staggeringly good. An incredibly gentle but firm reduction and then cessation of assistance all within 0.5 to 1 km/h of 25. This is not a hard task for these bikes: they are designed to manage the constant delicate torque adjustments needed by off road riders negotiating...

Completely relevant as it demonstrates compliance, and is very easy to perform, so is likely to be used. The main risk of overshoot is of it being mistaken for non-compliance, to which the answer should be 'give it time to settle down' if ever challenged. That could be helped along by a little...

Newton's laws of motion might object to an object accelerating with no applied force. Acceleration stops the moment power is completely cut off. A sensor might well be triggering at 25km/h, but the power is clearly not being cut off immediately. The algorithm will ramp down the power, when...

What gears have you got on that bike?!! And what maximum cadence does the TSDZ8 manage? I'd need to be at 130rpm with 700c, 38T/11T to read 60km/h. That degree of overshoot is in my view a clear fail. Remember the wording: "...progressively reduced approaching 25km/h, and cut off completely...

I would expect a 'wheel in the air' test to be continued for long enough to establish the cutoff speed: long enough for any overshoot to work itself out. If your motor is still assisting above 25 km/h after say 5 seconds then there is clearly a problem somewhere.

Try searching for Greenway yj145.