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the two plates (bottom left and bottom right) form the box of the gearbox. The motor fits into the smaller circle (left of the bottom right plate) with 3 M5 screws.

the motor is the cylindrical thing with the wire attached. The gearbox is essentially the big heavy helical cog in the lower middle part of the image. If the cranks make a little clicking noise when you rotate backward (exluding the chain noise) then the sprags need cleaning and grease...

if the bike is made in China, they have about the same quality of components. You won't find Deore XT groupset or Fox suspensions there.

After re-reading the OP's posts, I think his wife work's place is 9 miles from home. It's possible but hard going. I did like the idea of keeping the folder in the back of the car instead of lugging it up two flights of stairs.

If you want to grease the motor yourself, then read on. You will need a kind of spider tool to undo the lock ring that holds the chain ring in place while the chain ring is immobilized. If you don't have the spider tool, a mallet and a punch will probably do. After that, you may need an impact...

on throttle, the gallego goes about 12-13mph. The components are good, Bafang motor, Samsung cell battery, Nexus hub gear, shimano rollerbrakes, puncture resistant tyres, mudguards, bell, lights. Very low maintenance. Just tuck it under a desk when not riding. Personally, I don't want to ride...

the lightest folder that can do the 18 miles trip is the woosh Gallego and it's also the easiest bike to pull up the steps/stairs. it has a throttle but you have to push first on the pedal for about half a turn before the throttle kicks in. http://wooshbikes.co.uk/?gallego

yes, with an 8AH or 10AH battery, she would have to charge after each day. The throttle is also highly recommended to ride in cities, it makes starting off much easier and safer at traffic lights.

For your intended use, 2 - 2.5 years. although 8AH battery should be plenty for 18 miles, 15AH batteries will save you a lot of time because with 55-60 miles per full charge, you only have to charge them every other day, that can also potentially double the life of the battery, at least extend...

folders are not very comfortable to ride 18 miles a day, 5,000 miles a year. Both the Secret and the Zephyr CDN have same size battery, 36V 8AH. The Zephyr CDN is crank driven with Nexus hub gear, the Secret has rear hub drive and 6-speed derailleur. The CDN can be very fast. The Woosh...

under AV, tories + ukippers will form the next goverment which will be dominated by euro-skeptics. The UK will break off from the EU, the £ will drop 10% and 30% of UK citizens would have to take out BUPA or emigrate to France.

do you know which company has the best assembly line? King Meter, Bafang or Kunteng?

there are several reasons, technology: RC motors have high KV number, cost: e-bike controllers tend to cost less because the market is more cost sensitive, voltage: e-bike controllers are optimized to operate at higher voltage 6S to 13S, number of MOSFETs, e-bike controllers have 6/9/12 FETs to...

d8veh is right, you have a fuse but it is prudent to charge up both bottle and lipo kit, then check with multitester that both are 41.5V before joining them in parallel.

if you wire in your lipo kit, bottle + lipo kit give about 45 miles.

You can now join the bottle and lipo kit together to get a bigger range. Bottle red to lipo kit red, bottle black to lipo kit black. new 15AH battery: http://eclipsebikes.com/145ah-lithium-frame-battery-samsung-cells-p-1104.html

have you got your two lipo packs wired together and working? you need to connect them in series to get 42V. With these two packs, you will get about 20 miles. If you sell your bottle battery and buy a 15AH battery, you get about 55 miles.

then SWXU is the wrong choice because of the built in gearbox. two small direct motors will do this.

Good find.

what kind of wheelchair that requires TWO WSXUs??? How about this easy to make design: