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Forks, handlebar post and seatpost - although I've fitted wider carbon forks, and other seatposts are available. I stock/build 20" wheels with Sun Ringle rims, Dahon or Brompton narrow hubs for the 80mm dropout standard forks, or whatever hubs are required, at a rather higher quality level than...

Hi Jerry, Schlumpf is probably the crank system you're thinking of. Belt drive will be my next set of toys:p I've been waiting for the latest Phil Wood parts to become available as they suit my potential setup. I'm fortunate to have a few customers that want highly customised belt drive...

Same site as above, but go to Dahon spares>Dahon Frames>20" Frames. Alan

Hi Morphix As a follow up to my last post, I just looked up the costs of the last folder I built using a TT frame from C H White. Using and Alfine 8spd hub, Sugino cranks, Avid Digit 7 brakes and other decent branded parts it came out just under £500. Alan

I don't know if you've looked at the custom Dahons that CH White build, or if any would be suitable for you, but if not the link is here:https://sslrelay.com/s75353868.oneandoneshop.co.uk/sess/utn154efec74ddecb6/shopdata/index.shopscript Go to product overview then Custom built. They're built...

Hi Jerry, I thought you might be familiar with Bruce Metras:) I had a few varieties of the S2. Fortunately only one was a bit iffy, but a minor rebuild and adjustment cured it. I like the Automatix, but the appeal of the 2spd Patterson crank is it's ability to keep the correct chainline with...

Downtube has had a strong following in the US from people looking for a decent quality, modest priced folder. There is a long (6 years!) thread on bikeforums.net about them, including comments from Dr. Yan, the founder: Downtube folding bike For Jerry and anyone else interested in Dahon...

Hi Jerry, The next 2 replacements were also pinched within a few weeks:( After that I built him a 26" black Dahon folder fitted with Pitlocks and supplied with a very heavy New York lock and a 'how to lock your bike' youtube link....:) The Airnimal was probably the nicest fixie I've built...

Hi Jerry, I quite agree, the Moulton is certainly a more practical and better priced option - I'm frequently tempted, but I've way too many bikes already. I built an Airnimal fixie using a frame I picked up at a good price in Germany. I used a non-standard fork with 507 wheels - the rear...

If cost wasn't an issue I'd be tempted to build a lightweight folder/tourer with one of these frames: AIRNIMAL Chameleon FRAME ONLY :: £664.00 :: BIKES :: Folding Bikes :: Spa Cycles, Harrogate - The touring cyclists specialist. A small motor and couple of lightweight LiPo packs could make a...

I bought a mid-range Oyama in a CR sale for my son's girlfriend. It was heavy, with a lot of rather basic steel parts, including what looked and felt like a cast iron left crank. I replaced the front wheel and rebuilt the rear one, plus quite a few other bits of sorting out. It rode quite well...

I've not met many, if any, Dahon frames where the dropout is actually the correct standard width, usually a mm or 2 under, but this applies to a lot of frames - some under, some over. Manufacturers such as Surly make their steel frames at 132.5mm to take either 130mm road, or 135mm MTB hubs, so...

Hi Jerry, I've not adjusted the spring tension to lift the change speed, I was testing it without to see if it was realistic to leave it as is. With the larger wheels shown in the pic, it changes at around 7.5 mph, quite handy round here in busy traffic on narrowish hilly roads. I've used...

The dropouts on the Dahon Uno are horizontal with 120mm spacing. I've got one here fitted with the larger BMX race wheels and 2 speed SRAM Automatix hub. Alan

Looks like they worked:) electrobike ebay ad - YouTube Alan

Hi Mel, I don't aim to make a profit from the e-bike part of the business, it's mainly for the benefit of people on this forum:) OTH, I know guys in London that will build a wheel for a tenner plus spokes! Alan

Depends what you want laced into what, with what:) Assuming it's a moderate sized motor (eg:Bafang 250-350 watt) into a decent rim with 13g or 14g S/S DT Swiss spokes, we'd charge around £35.00 including spokes. Larger motors such as Crystalyte are a bit more expensive as they often need spoke...

I've used 2 Tongxin, most varieties of Bafang 250W and BPM 350W motors, and currently testing an Ezee front motor from www.ebikes.ca Homepage of the revolution on the tandem. All were run with Ping 36V batteries, some of the smaller units were also tried on a 12Ah Li-Ion 36V bottle battery...

The same thing happens with my BPM or Ezee motor using the Li-ion bottle battery. I have to use a KU90 controller with a 20A limit. With the Ping battery all is fine with a KU120 series or 35A Infineon controller. Alan

Hi Scotty, First reset the caliper, as you've had the wheel out it might not have seated in exactly the same place. If you're sure the disc has gone out of true, use a light behind the caliper to see where it's out and which way. When you have the exact point, rotate the wheel 180deg so the...