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I can confirm it's rock steady, the BB nuts have 4 ridges, you can always install the inner nut with the ridges against the frame, the ridges will key into the frame but it will damage your paint.

kudos city on price, also the Nexus-8 is so sweet.

the BBS01 motor being heavy, tends to droop. I tied mine to the downtube.

so Frank, if two of your bikes have a race to the top of a hill, one having BBS02 and the other, a 3kw beast. Whih one will win?

Frank is obviously going to supply 3kw kits - but is there any donor bike that can use this kind of power safely?

Bionx Battery DT XL or RR XL: Li-Ion / 48 V / 8.8 Ah / 423 Wh, eRace 650 P: also 48V, 8,8Ah. About the same 'grunt' as 36V 15AH. The 47V Panasonic motor is something else, that's progress.

Which ones of the big boys are you talking about?

it looks easier than water skiing and like an effective way of crossing the Thames. Where can I have a go?

lack of suspension does not matter much if you have a low power motor but that rules out mounting a biggish motor to the front. It's also very easy to ride too fast with a crank bike because of gearing. While a 250W 8-Fun front motor can get you to about 18mph on the flat, the 36V BBS01 can...

re crank drive: are you talking about the 8-Fun BBS01? two versions: 250W and 350W, both are available from Aliexpress. The 350W is probably too powerful for your bike, you'd need better brakes and better suspension.

with most wars, there are no good guys.

I like this bike a lot. go for it Den. I hope you'll win.

nexus 3-speed. Adequate but way too expensive.

I am in London. There are quite a few L7e cars with 10KW motor to choose from, probably go for one with 72V or 96V LiFePO4 battery.

looking to import an L7e e-car before winter comes. Any help and advice is greatly appreciated. TIA.

the way Tepco manages Fukushima's decommissioning is going to influence public opinion about future electricity generation. Personally, I suspect oil companies have vested interest in failures of other sources of energy.

dumping in the middle of the Pacific is not possible, due to inernational treaty. Dumping into the sea of Japan is permitted. In the mean time. radioactive water containing Strontium 90 (28.79 yr half life - it goes straight to your bones) is leaking into the sea. Fishing will probably be...

no - we are talking about very small probabilities of failure (0.1%-0.5% of number of rides). My contention is: choosing NuVinci over derailleur may not give you better peace of mind.

well, the popular opinion is that they are rock solid and can't fail. I just googled NuVinci fauilure, see this: NuVinci N360 Failed Broken Freehub Body Mechanism - YouTube and this: NuVinci N360 breaks during ride - YouTube Their stories are similar. Conclusion: the technology is still being...

Sense: the probability that you break the derailleur is very likely to be lower than that of running out of battery going up a hill, then you'll have to lug the extra 2kgs and pedal 12% harder. Puncture repairs: more time consuming. Replacing rim: more time consuming. The NuVinci has also its...