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I disagree with above and would like to clarify this matter. There is a difference between 'torque' and 'thrust'. Strictly speaking, torque is the rotational force and when quoted in Nm (Newton Meters) assumes a radius of 1 meter. Torque equal to radius times force (thrust), so with a wheel...

I live in rural Ireland. Our winters are dark, wet and the roadsides are often full of thorns after hedgecutters. We dont get that much snow and I generally dont cycle in frost or ice. My idea of a winter bike is full mudguards with additional mudflap extension on front, very robust marathon...

But I am an 'easy rider' in terms of taking it easy on the pedals. I let the hub motor do most of the work but I do pedal most of the time, especially in winter to keep warm. I would imagine a strong fit cyclist would wear the chain quicker whereas a one legged cyclist with throttle would...

Hi. I would not worry too much about this. Its all about choice. There are some choices and mechanical setups that some people find unacceptable for not only ebikes but for bikes in general. For example, some people find the use of the exposed chains and derailleur gears unacceptable and would...

Sheldon Brown has nice picture below shown the wear on the chains pins and bushes that causes the chain stretch. This wear takes place as the chain bends when wrapping itself around the sprockets under tension. I would say there are many factors that increase chain wear. For example, the...

If your new chain skips after replacement and you can separate the individual worn sprocket, its also possible to 'dress' or reshape the 'U' of a worn cog with a round file rather than replacing the sprockets. (e.g chainsaw sharpening file). I have done this and it works if the cog is not too...

If your chains have quick links and you can replace the chain yourself, then you could try 'chain rotation'. I keep all my old chains and refit them again as the sprockets wear down as you cant put a new chain on an old sprocket. Better explained below. e.g...

Just my opinion. I have dismantled freewheels and the pawl springs are normally weak so I wouldn't give up on that wheel yet. I would get a half pint of diesel and give the freehub a good soaking and flush out all the dirt and grease, flushing and spining the freehub as you do so. If you can...

I ground off the swaging to remove the chainwheel from a regular right hand crank when I was fitting 155mm cranks to TSDZ2. They were used steel budget cranks but I think they are better quality than the originals.

The last kit I fitted was supplied with a newer/different version of the Wuxing Throttle. It can be fitted in either left or right side, or either way around giving more options/positions.. I fitted it on left side with pressing down for on and for me anyhow, its not as tiring. Against that...

It might work ok. If it doesn't, you could try substituting throttle with 20K resistor/ 5K linear potentiometer as in diagram below of one suggestion for push button throttle (from ES) that gives the required 4.4v full throttle/0.88v no throttle signal required by many controllers. (or some...

It should be easy to tell a geared from a direct drive motor. Just lift the wheel off the ground and spin in the forward direction. If its a geared motor, it usually spins freely in the forward direction but not in the reverse direction. I have a front 700c 250w cyclotricity motor supplied by...

If I may say something, its an ambitious project you are undertaking in terms of fully building out the battery. I presume you have a lot of experience. It would be a lot easier if this is your first build to do a 4P rather than 5P as there would be surplus room and more choice with layout...

I worked with batteries for years so I always recommend caution. I am looking at your layout. The batteries on top are on the positive pole and are directly over and adjacent to the other end of the string (negative )pole. So you have full battery voltage between adjacent cells. So I think you...

I have the standard TSDZ2 with throttle which give full power irrespective of users input or whether or how hard you pedal.

I pedal most of the time but I love my throttle. Believe it or not, people ( and their knees) are different and not everyone thinks the same. Its all about choice and you can choose whether to pedal or not with a throttle.

They can be got ok but you may also have to buy chainring and screws e.g...

Your rear dropouts are 75mm/3 inches apart but we need about 100mm/4 inches for most front motor kits, so fitting a front hub to the rear doesn't look like a good idea. Is your frame steel or alloy (aluminum)? It should be easy enough to get a 26 inch kit for the front as most kits have the...

I am taking a closer look at your photo. Your rear wheel setup looks like a front wheel (100mm fork spacing etc), but you need to take off the wheel to get a close look. The conventional/usual electric hub axle is 10 X 12mm but you need a few extra mm for the tabbed anti rotation washers to fit...

Hi. Just my opinion but I think you need a conversion kit that works with a throttle. You may be better off with a lighter ( and more legal in some places) 250w kit as there not be enough clearance for bigger motors (you need to check this) and extra torque arms especially if forks are alloy...