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You can rewire the new PAS signal to where the old PAS goes.

a 36V 201RPM motor will become 48V 201*1.3=261RPM The maximum speed depends on the circumference of your tyre. for example, your tyre is 20 x 1.95. Circumference: 1.57M Maximum speed 261 * 1.57 * 60 = 24.6kph = 15.3mph I would not recommend the Q128 for cargo bikes though. Its gearbox is too...

a torque sensor has 4 wires: ground, 5V, pulsed PAS and analog torque. Sometimes the analog torque output is also pulsed, but that's rare. To simulate the torque, you need to use the PAS signal as the override cut off switch to stop the motor when the pedalling stop. For sample code, there is a...

The internal resistance of a cell drops when the temperature rises. the mechanism of thermal runaway is that something, a mechanical or electrical or chemical event triggers that positive feedback loop. When it's a fault, it raises the temperature past the point of no return. The positive...

that's the output voltage of the SANS charger too, but what the voltage you see at the output is typically 41.3V-41.5V because of the drop through the charge and discharge junctions in the BMS.

but you wouldn't have to fold the stem when pushing your Brompton though?

I cabletie the top of the bag to the handlebars bolt at the top of the stem to stop the swinging from side to side. The large width of the plastic cabletie gives the bag a stabilising effect.

agreed. However, in practice the reason you would fold the bike is to stowe it away so would you move it folded for more than a few seconds?

42V is the limit for 36V Lithium batteries. You should consider that anything above 42V is at risk of overcharging your battery. The reason is you have a 10 high stack. If one block fails, the whole stack will overheat, the higher temperature will increase the flow of current and generate more...

Of course some people would rather not having suspension than a steel coil suspension weighing 3kgs but weight is not a problem for most e-bikers and the Suntour 63mm NEX E25 fork on your mate's bike offers really superb value for the money and requires practically no maintenance unless you...

that is fine with the SANS chargers that we supply. You can plug the charger into the charging port in either on or off condition. On some makes of chargers, you can see a spark when you plug in a off charger into the charging port of the battery. This is because those chargers create an...

over time, air bubbles form inside the brake fluid and usually collect in the reservoir. However, because you keep the bike in an unsual angle, some bubbles may collect in the hose making the brake spongy. You should burp the brakes first. It's a 5 minutes job.

The Claud Butler has has a throttle and no LCD, may have a brake sensor needing repair. The direct drive rear hub may have a damaged freehub pawl. The Powabyke also has a throttle and no LCD, may have a brake sensor needing repair. Those faults occured after years of use, bikes are out of...

We only use one size nuts and covers. I am a bit mystified. Can't see the problem from the pictures. I suggest the OP email Andy about it.

I use the 1.5L on my bike but Andy found it's too tight so he uses 1.7L for customers.

if you buy directly from China, assume that you won't get any support, thus you should stick to saneagle's recommendation. The bmsbattery's Q128 motor has a high reduction ratio making it better suited for cargo bikes. The kits you link to on Aliexpress are without specific brand and model, you...

it depends on the price range that you call cheap. Between £300-£500, I have converted loads of Halfords Carreras, Subway and Voodoos, Marin, Specialised, Giant. They are all pretty good value for money. After that, there will be diminishing return on your spending. As long as the gears shift...

you have two washers on each side, a thin one and a fat one. Try this first: put the fat washer (the anti-rotation washer) in first, it should not touch the freehub.

The outer pins may not be needed. The battery pack looks like composed simply of 10 cells connected in series.

It's a standard 1.7L, I bought on Amazon. It holds the controller as well. There is already a hole at the bottom for the cables. You can see how simple the wiring is, one goes to the LCD, one to the PAS and one to the motor.