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  1. #1
    Donkeyfatality
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    Has anyone converted their folding bike to single speed?

    Just wondering. I got a dahon and it's a seven speed. I was planning on getting a new hub eventually and doing the whole fixed gear/ single speed thing. Just wanted to know If anyone had done this, and If so, are there any problems/issues I need to watch for?

  2. #2
    Recently Re-tired.
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    Sep 2005
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    In my happy place.
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    Lightfoot Ranger, Maxarya (both recumbents), Strida, Dahon Jetsream E-bike, Dahon Curve SL
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    My Strida is a single speed, belt drive. Does that count??? Probably not, since it was that way when I bought it.

  3. #3
    Senior Member
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    Auld Blighty
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    Early Cannondale tandem, '99 S&S Frezoni Audax, '65 Moulton Stowaway, '52 Claud Butler, TSR30, Brompton
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    Check the usual SS/fixed thing of horizontal dropouts/alternative chain tension solutions.

  4. #4
    Senior Member
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    Yeah - I think you'd need an eccentric hub (see here for Sheldon Brown http://www.sheldonbrown.com/harris/white-hubs.html )or a chain tensioner if you went single speed. The hub geared bikes you could convert pretty easily I reckon with a bog standard fixed hub. There are a couple of great conversions done by people on here. I would LOVE to do that to a bike, but to do it properly you have to think about cost and time (and the fact I have a hon solo!)

  5. #5
    Senior Member
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    Too many....................
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    Check out the Dahon Boardwalk S1 it is a SS and check out your local classifieds for a used one.

  6. #6
    Senior Member stevegor's Avatar
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    lots... even a Raleigh twenty !!!
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    I converted a 9 speed hub into a single speed on my R20 Aussie clone bike. It had regular dropouts, so I had a bolted axle and no chain tensioner...worked like a charm.

  7. #7
    Building a better Strida
    Join Date
    Apr 2008
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    toronto, canada
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    bianchi brava 1988. fuji track 2007, 2006 Bianchi Pista, 1987 Miele and a strida knock off
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    tail slides with a fixie-folder..

    i wonder if someone could squeeze one into the MASH 2 dvd! haha

  8. #8
    Senior Member
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    Feb 2007
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    I bought my Swift with flip flop wheel, removed the fixed cog, and replaced the freewheel with a 15 tooth freewheel from sheldonbrown.com.

  9. #9
    Senior Member Tom808's Avatar
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    I converted my Dahon Presto from 3-sp to fixed. It has 120mm width and horizontal dropouts, so a fixed hub fit perfectly. With 53/12 rings and 305mm wheels it has a very nice 70 inch gear. It’s perfect for my flat commute, plus it is noticeably lighter when I have to carry it around.

  10. #10
    Donkeyfatality
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    thanks everyone!!!

    I have to decide if i should buy the 07 DahonD7, or go with a lil cheaper model, even tho it's only 400$. Im planning on riding to and from work, and around my hood in cincinnati. I have a few hills to deal with and it isn't a far ride. Any one got any opinions ? The guy who owns gargoyle cycles here in cincinnati ( actually glendale for those of you who know cincy) suggested the d7 since I am new to this, but my original plan was a track bike, only, i'm 5'2 and don't have 700 to drop on a custom bike, which is what got me into the folding bikes at first, but after seeing them, and talking to people like ya'll that ride em i am sold. Hopefully I can convert the d7 when i am ready, and maybe you all could give me some needed advice.

  11. #11
    Senior Member
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    Quote Originally Posted by Tom808 View Post
    I converted my Dahon Presto from 3-sp to fixed. It has 120mm width and horizontal dropouts, so a fixed hub fit perfectly. With 53/12 rings and 305mm wheels it has a very nice 70 inch gear. Itís perfect for my flat commute, plus it is noticeably lighter when I have to carry it around.
    Can I see some picture of your presto? I own a presto as well and am planning to fit a SS hub to it.
    How mucy have you spent in the conversion?

  12. #12
    Senior Member Tom808's Avatar
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    Quote Originally Posted by Raxel View Post
    Can I see some picture of your presto? I own a presto as well and am planning to fit a SS hub to it.
    How mucy have you spent in the conversion?
    Raxel,






    I have attached a couple of shots. Let me know if you are looking for anything in particular. The crank is a cheap 39/53 double from Nashbar (with the inner removed, the outer moved to the inner). The bottom bracket is Nashbar as well, 107mm I believe. The hub is an inexpensive 32 spoke flip/flop hub laced to a aeroheat rim. There were not a whole lot of options for a 305 size rim with 32 spokes. The cog is a Surly 12 teeth. I did not get a notched lock ring, so there is a little bit of noise where the chain runs on it. Some day I might change it out.

    I don't recall the exact cost of the wheel, but it was not particularly cheap. something like $135.00 built.

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