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dear all, apologies for flagging up an old thread, but here goes: i just got a BPM 500w from BMS battery - it looks identical to this: http://www.elifebike.com/upfile/dtpic/2012/5S/Q4CQ.2MJWP/ADCPJ1_SYYUB.jpg ive gone and bravely stretched teh rear dropouts on a well loved old raleigh, and...

i love it, imagine a michael moore lookalike winning the next tour de france ina yellow jersey..

second that, say 2 hobbyking 8AH lipos in foam should be easy to carry,perhaps in a cheap bpm/20quid ebay citybike conversion, my sympathy, this kind of thing is a real heartbreak

afraid this wont help - but i'm having the same problem - building a bpm/s12sm bike and wondered whether i could simply rivnut it to the (steelframed) bike and seal it with silicone (on top of the rubber seals) -whether this would be weatherproof? it would be better for cooling

sorry make that unfortunately a brushed motor

well, at the very least we deserve 10/10 for finding the beauty in a recycled truck wiper motor 70's folding bike combo and respecting how difficutl it must have been to marry up all of tyhat without instructions or even a forum of any sort. as a complete aside - underneath that ebay listing is...

i wonder what motor it used, it's aesthetically challengintg,but as a link underneath theres a vintage electric hercules loop frame thats very interesting

the thing i though, terrible as that looks, it appeals in a very devils advocate kind of way to a heath robinson part of my personality - i wonder whether, if the copenhagen wheel was all scaled down, severely, say a tiny brompton type hub motor with a small battery and controller providing just...

many thanks,on dodgy tablet that doesnt copy links

check atoz universal disc mount at wiggle for 19.99 - i got one to fit aftermarket disc brake to rear of vintage raleigh

Good review, I had the same issues with the pas sensor - I'm really not aufait on electrical stuff,but it beats me why they can't make a thinner magnet ring (I had to remove a chainring in the end). Like you I like the kit ( I have the rear wheel model),my only constructive criticism is that I...

And there's a shot of the inside showing lots of thick copper windings far from the centre,looks rather impressive

Its briefly reviewed on click on iPlayer this weekend,curiously they say drag and regeneration only kicks in if one briefly backpedals, and that it's good on hills

many thanks, as mfj197 points out, im planning on dragging a 100kg camping trailer through sand on beaches, guess it comes to the same thing from the motor's perspective. thanks for very helpful advice - I'll try code 14 - would be very useful to have 24mph for commuting, one snag is that i...

and hope that manages the heat

many thanks, it makes much sense, i think ill go with the 1000w controller and 500w bpm nonetheles but try to do " a few hairpins at a time" so to speak

see the review at the bottom of this http://electricbikereview.com/superpedestrian/copenhagen-wheel/ it's a gearless 350w motor that "induces drag" when freewheeling - i can see that might be ideal for some, but i dont like drag much, even if it regenerates electricity and helps with braking

apologies all for dredging up an old thread (not to mention semi hijacking it) - but i reread this carefully and realised i had allowed my natural pessimism to get the better of me: this is the key: "The phase wires coming out of his controller had completely melted, though his motor and...