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I reckon I could get my Bafang hub motor down to 100mm with some creative work on the freehub and axle, but that still wouldnt fit ! But i'm back and focused on my Fiido for now, and i've got a house move in 11 days time so everything is packed away, so wheel building it happening at work at...

My new rim has arrived from China !, Its ok quality, feels nice and strong, I'll need to debur all the holes are they are quite sharp with lots of swarf chippings hanging off the hole edges, but i'm please with it for the price, and its 16" and 36 hole which you just cannot buy in this country...

That's an interesting find, but I'm back and focused on getting my 500w kt controller working on my Fiido once the new 16" rim arrives from China. One thing I really like on my Fiido is the disc brakes and I don't understand why Brompton don't fit them as standard.

blimey, thats a bit heavy ! my Fiido D2 is only 19 kilos ! I'm tempted to build a Brompton with a lightweight motor, but everyone seems to do front wheel drive and i want rear wheel drive really, plus they are really expensive ! I'd have to do some saving to get one, but will probably just...

Sorry, bit late replying, but Thankyou for finding this, thats a good price, I ordered it yesterday, so I'll calculate spoke lengths once it arrives and get those ordered and then the wheel building begins :cool:

Nice conversion!, I bought a Dahon Jetstream about 10 years ago now and didnt like it really but not because it was a bad bike, it was good, but i decided i didnt like folding bikes as they felt unstable at speed, but now i have a broken leg and dont like any speed on a bike really, and need to...

I used a stainless ice pick to remove the bulk of the potting compound, then some dental picks to get the little bits out between the components fairly delicately, It took about 2 hours, but i was watching tv at the same time and kept stopping, the key is to remove lots of small bits rather than...

Yikes, I'm not liking the look of those failed welds !, I also do welding and looking closely at those, they were welded at too low a power and didnt achieve any penetration into the base metal which is where the strength comes from. They've relied on the strength of the weld filler material...

Oh, really ? Are they not that good ? I did wonder if it was tough enough to take the power !

Here's a couple of pics of my Bafang BBS02 controller that i managed to blow (by wheelspinning in the dirt!!!) stupid really, should have been more sensible with it, I've managed to get all the potting compound off and have unsoldered most of the transistors, and have some more powerful...

Ahh, I was wrong, I bought this folding bike not long after I broke my leg (2 years ago) to help me get down the hill to work from the car park as i was on crutches at the time but clearly hadnt thought how i was going to pedal it back up a 14% hill for half a mile !!! So I rode it down the hill...

I've actually got a Dahon Curve at work, but its a 20" model. I'm thinking of putting my BBS02 750W crank motor along with my 52v battery on the Dahon just to see what its like to ride, I bet that will get up any hill i can throw at it !!!

Thankyou Guerney But £16 for the rim, £25 for postage and i bet they hit me for import duty (or whatever its called now!) along with a 2 month wait makes it seem like too big a gamble really, I'm surprised there aren't any UK rim suppliers, but I've struggled to get all sorts of bits for my...

The hunt for a 16" 36 hole rim that will take a 1.75" or 2" wide tyre continues! I've just emailed a BMX supplier called sourcebmx.com as they have a few 16" rims, but they are 28H so hopefully they might have something in stock or be able to source something suitable in 36H, I'll keep you...

I've tested it, and its showing 19mph with the cycle computer set to a 16" wheel :):):p:) So i'm thinking this is a bit faster that i was expecting, but am hoping it will still provide good hill climbing torque. I can also say, never try to hold a hub motor by its axle whilst testing it, it...

Nice, good hill climbing power is exactly what I want !, and i'd be totally happy with a 14mph top speed as I broke my leg in 3 places 2 years ago with lots of other injuries after a motorbike crash which have never fully healed, so I err on the side of caution and go quite slowly anyway. I've...

Overall diameter is 136cm and center of spoke hole to spoke hole is 122.5cm Here's the link to my ebay purchase in case it helps ? Its from a Carerra crosscity 20" folding bike https://www.ebay.co.uk/itm/256065204117

Back again ! I've bought a Bafang rear hub motor from an Ebay seller, and its arrived today, but i have no idea what i've bought ! It has BAFANG cast onto it and a cast forward arrow, then it says BF2103H62077 - 1 which is engraved, then theres a label that says EPAC 25Km/h Voltage 36V Output...