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There are two versions of the Yose kit. One has a freewheel motor and the other has a cassette one. You want the cassette one, which has a standard Shimano cassette spline, so is good for 9-speeds.

Something is pulling the voltage down. it can be anything on the 5v rail, which includes the controller cpu, throttle, PAS, motor hall sensor, motor cable and any other cables. That only leaves the battery. If you unplug everything from the controller except the battery, and the 5v is still...

Once you get beyond 20 miles each way, a 50cc petrol moped makes a lot more sense than a converted electric bicycle. It'll cost significantly less, be cheaper to run, more reliable, more comfortable, better grip, better handling, etc, etc. I can't see a single advantage that a converted bicycle...

It's probably better to fit the throttle on the left side. many of the thumb-throttles are ambidextrous, like this one that has the switch...

You get tyres with soft rubber that stick like ** to a blanket and wear out in no time, and you get tyres made of hard rubber that last forever and are dodgy in the wet. MPs are in the second category.

Those bikes do have some redeeming features. They have a throttle and the motor gives immense torque. Batteries are around £25 each (you need three) if you buy them separately, open the case and put them in yourself, which isn't too difficult. If I had a bike like that and wanted to keep it...

This is the compatible controller. https://bmsbattery.com/home/1024-s12s-500watts-torque-simulation-sine-wave-controller.html If your battery can do 40 amps continuous, you can get the 40 amp version...

That's normal. Your bike's controller works as a speed controller. Each level limits a different maximum speed, and max power is given on all of them. Current depends on speed ( the faster the motor spins the less current you get, so the slower you go, the more current and torque you can get...

Left hand throttle with a switch limits your choice a bit. You have the option of using a right hand throttle with a switch or using a separate switch and throttle. Can you show what's on the right hand handlebar so that we can see which throttle fits best?

All throttles have three wires unless they have addidional features, like a switch (2 addition wires) or LEDs to indicate battery voltage (1 additional wire). The three wires are normally red, black and the third can be any colour. Follow the cable from your throttle until you come to the...

To find out what's causing your problem, as soon as it starts, jumpoff your bike,turn the pedals backwards to feel if there's any tesistance there, then lift wach wheel off the ground and spin it to see if there's anyresistance there. There is no other possibility. Once you have the source of...

Every system has advantages and disadvantages. I can imagine that a BBSHD would be rather umpleasant hauling 200kg around. That's if your gears didn't break before you got to the end of the street. OK. That's a bit of an exaggeration, but you get the point. You need to try some of these things...

You don't need to take the motor apart to see what's inside. You can find loads of pictures and videos with Google.

Don't use connecors, just solder the wires together, which is cheaper, quicker, more efficient and more reliable. They only provide connectors on kits for amateurs that can't solder. It doesn’t make any sense to solder a connector on because if you can solder a connector, you can solder the...

You haven't given enough info in defining your problem. If you need a new throttle, you can use any one. An Ezee throttle is just a standard throttle at a jumped up price. Get one from Ebay. They all work exactly the same. Is your bike still working with the pedal sensor? If not, in what...

All Bosch motors do that if you have access to the software.

Rather than asking cryptic questions, why don't you tell us what problem you need to solve, then we might be able to help?

Just be aware that there is one problem with Schwalbe MPs. They're completely puncture proof and good for 20,000 miles, but to achieve those the rubber is hard as nails, so the grip is very poor, especially in wet or greasy conditions - as you'll find out sooner or later!

You need a rim tape to protect the inner tube from the spokes, as you'll find out sooner or later.

wasn't it called the Powabyke Shopper?