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this one is inexpensive and good against strong wind: http://wooshbikes.co.uk/?bigbear-ls

it's only true for copper based conductors. The internal resistance of the battery increases in colder environment, the Lithium becomes less mobile.

Ostentatious non-sense. who is going to spend $1,799 to turn an old bike into half a second hand e-bike?

I agree with you there. I also notice that quite a few Chinese factories use this bottom bracket assembly and gearbox for their crank drive motors, I guess SB just buy them in, so it would be out of their direct control. Perhaps they get better quality control with time.

Nice clean bike. Currently 21 bids, ends 20:50, top bid: £117. I reckon it'll go for £200. Here is the link: http://www.ebay.co.uk/itm/Giant-Lafree-Twist-Comfort-Electric-Bicycle-/231456998559

if that's the only reason, there are plenty of front bag options for your folding bike! This one costs £3.80: http://www.ebay.co.uk/itm/Universal-Bike-Cycling-Bicycle-Front-Basket-Pannier-Tube-Handlebar-Bag-Pouch-/171373803250

denwyn, I misunderstood your situation, sorry. Batteries are at risk when not used regularly, even when you keep it fully charged. The risk of damage increases with the time you keep it in storage. The best depth of charge for storage is about half full, where the Lithium is split about 50/50...

frank, greasing is a problem for these BBSxx motors. I don't understand why these BBSxx do not have a grease nipple or an inspection cover? Can you explain?

those 1000/1500W motors are direct drive, perfect for longevity and silent running but no match for BPM for climbing hills. Plus, they are heavy and consume a lot of battery.

on the contrary. If it works perfectly on throttle then your motor is OK, just refit the cranks. Grease the BB spindle, gently tap the cranks into position with a rubber mallet and do up the crank bolts real tight.

you are correct of course. The word 'dendrites' carries slightly different meaning to 'dendritic', the latter suggests a smaller formation than dendrites. sources: http://phys.org/news/2014-10-stanford-scientists-smart-lithium-ion-battery.html#inlRlv...

the LED on the charger should go from red (charging) to green when finished.

you are correct. Woosh sell the BPM kit without battery for £200, including postage. Buy a 36V 10AH battery on ebay / Kudos for £200 and you've got yourself a useable e-bike.

it's sensible to do so to make sure that all the Lithium circulate between the two electrodes. If you recharge every few miles, only a small portion of the Lithium moves between the electrodes. The immobile Lithium then tends to stick to the electrodes and form dendrites, reducing your battery...

Yes, for recycling. Their terminals must be taped over, no exposed wires. Lithium batteries are classified as WEEE like old televisions but do not contain hazardous substances.

Leave it out for the dust bin men.

that depends also on how many miles you ride a year. The OP commute is 28 miles per day, most days of the year, that's about 6,000 to 7,000 miles a year. A 10AH battery will require one recharge at each commute - plus weekend rides, say 250 charges per year. Each charge reduces the battery...

A bigger battery offers three advantages: your bike climbs hills faster, requires fewer charges over time and lessens range anxiety. For your 28 miles a day commute, a 10AH battery is just about enough in nice weather, not on rainy or windy days.

if you go see woosh in Southend, try out other step throughs while you are there: the Santana (26" 10AH battery), the Santana CD (crank drive, 26" wheels 15AH battery) and the Big Bear LS. They are all more comfortable and pokier on long rides than 20" e-folders.

If you have a bike rack, the Woosh Petite is much more comfortable for long rides than 20" e-folders. On top of comfort, it's very stable and re-assuring with its 24" wheels and low saddle height. http://wooshbikes.co.uk/?petite