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Do you have the address? I looked all over for just one of those last year...

My usage of top gear is only downhill and/or above 25 km/h. When you have several kilometres of slope it is disappointing to spin out at 40 km/h. There is a 4 km/h difference between an 11 and a 12 and the former spins out at around 51 km/h at a Cadence of 90. I am more worried about the 28...

That is the one I will change to if my 11-28 doesn't work out. 7 gears are plenty. For steep hills a double chain ring modification is a good idea. You can buy spiders for your bafang and choose any chainring you wish. I think hammering the chainstay into shape is a good idea if done with a...

You need either V-brakes and an adaptor or rivnuts in the seatstays. The latter option is a risky one with some seatstays which can be weakened. Also tyres about 2" are the maximum that will fit through a frame lock without deflating.

Yes it provides energy to go forwards! A charger requires 42 V and 2 A current, that is a BIG dynamo you are going to need... Direct drive regen motors add drag and extra weight and good ones cost a lot (GoSwiss Drive). They are useful in mountainous regions where they save brake pads from...

Alfine is Shimano speak for "hub gear" Two different versions. The one I linked goes on the derailleur hanger.

I can see it working for me if I lived and worked in S. Sebastian but not so much here. It might have done when I was 35 years old though. But not as a car replacement or for going places in the mountains...

A pedelec will go faster than 25 km/h too, if it is correctly geared! I thought about this a whole lot and gearing seems to be the number one issue with going past the cut out "dead spot". Many bikes seem to be under geared either because they are aiming at "people of a certain age" who don't...

If you use your bike for going places the calculation is completely different of course. In the last year I have done +3000 km without worrying about charging to 90% and using it down to empty when it has to be done. Amortising the battery it has cost me 12.30€ / 100 km. If I had taken the bus...

And you don't even have French transporter strikes :( (waiting on a wheel somewhere in a truck in a long line of trucks)

The problem is often the rider not the motor. If you use the gears correctly, as if you were riding a bicycle for example :rolleyes: then you will have no problems. There are many of thousands of kits sold where people don't have problems. Hot-rodding or asking too much from the motor (being in...

Something like this Tom? Not folding but.. ...with a Vélocar style body on it:

http://www.bike-discount.de/fr/acheter/shimano-alfine-chain-tensioner-ct-s500-black-62391 Chain tensionner bolts on to your derailleur hanger, also works with nexus 8 inter. Sprockets are quite cheap I will buy a selection between 16-22 and experiment till I find the right one.

Pinion have an e-bike friendly gear box. I found one company that makes assemble your own cassettes but the price... :eek: and Nvinci of course... Shimano now make a motor etc so maybe they have a cheaper e-bike specific cassette in the design pipeline? We can only hope so.

Buy a whole bike and strip it down - sell the parts you don't want on ebay as brand new 0 km.

Dear Bafang, Please make a Bluetooth App for programming your motors. Just in case you didn't notice we are now living in the 21st century and wires are so 20th...

Sorry replying to D8ve notorious thread stealer at large ;) You are asking too much of your battery at 16 Amps. They say that these batteries are capable of 2C (20 Amps) but in fact they usually aren't I have turned mine down to 11 Amps max and get more range now. You also have a torque sensor...

I have a cheap Shimano 7 speed cassette 11-28 and the 11 tooth cog is separate so I imagine there is a spare on the market. When I looked at the link above the 11 tooth cog being sold was the price of the whole cassette...

My good friend Douglas Brooks had a very good comment about the zombie apocalypse: "Looking around at all these people walking about nose glued to their smartphone, oblivious to the world around them, I just realised the zombie apocalypse is here and now!"

Did your cells stay balanced? If you don't care about battery pack life you can take them down to 3.5 V over that you are flirting with one of the cells falling below the others and failing. You should re-read the ES RC-Lipo tutorial ;) I have made up my mind on my "big" pack - 4 x 5S 8000 mAh...