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  1. #1
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    20" shopper bike reboot.

    Like a much loved 1960s tv series, this moddish style of bike is in need of a reboot for 21st century. What would the ideal shopper look like?
    There are plenty of folding 20" bikes of all grades but very few lighter-weight non-folding ones.
    There is a heavy low-end version, a craftsman made premium one, a retro copy and a heavy duty cargo style version.

    How about aluminium beam construction, gates drive compatible rear end, sliding rear dropouts.
    Can you combine threadless steerer with versatile high-rise bars. Should it use a Brompton style front luggage boss or a front rack? V brakes or hub brakes? Dynamo hub or battery? Integrated bike stand?

    To me the important characteristics are
    low cost without being cheap and nasty,
    low weight , because most of the riders are non-athletic women, young teenage girls or retired people,
    grab and go convenience so integrated lights, rack, fenders,
    ease of use so hub gears
    Reliabiity, so premium 20" balloon tyres.

  2. #2
    coprolite fietsbob's Avatar
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    I like my Bike Friday, mine has a triangle tube main section, so I can Lock it up..

    their big single oval tube frame weighs less, but makes locking up the bike less simple..

  3. #3
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    Quote Originally Posted by fietsbob View Post
    I like my Bike Friday.
    One of those very nice but also very expensive folding bikes. The shopper I envision is cheap but good.
    I have though about the security issue of a beam. If you drill through a beam (extruded aluminium box section) and insert a tube that runs right through the structure, how much strength would you gain or loose? I was thinking about narrow tubes for rack mountings and wider ones for cable locks. A bracing strut may form a smaller triangle near the bottom bracket but that is a pretty inconvenient place to thread a lock.
    If the hubs were commonplace, a monostay with fixed wheel would be perfect, you could just lock the wheel.

  4. #4
    coprolite fietsbob's Avatar
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    Start a company . frames are smaller businesses than manufacturing the components ,

    and the name you paint on it becomes a Bike Brand.

    just make it different from a town in northern France with a famous Bike race finishing there.

  5. #5
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    Quote Originally Posted by fietsbob View Post
    Start a company . frames are smaller businesses than manufacturing the components ,

    and the name you paint on it becomes a Bike Brand.

    just make it different from a town in northern France with a famous Bike race finishing there.
    Seriously thinking about it
    How do you go about having a bike made up. You do need a full set of CAD files, do you need a prototype before taking it to a factory or do they provide samples. Do they own the tooling and jigs?

  6. #6
    coprolite fietsbob's Avatar
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    You going to Subcontract out to Taiwan like most of the bike Biz these days?

    Fly to the Taipei bike industry trade show and bring your line of credit with you.

  7. #7
    Super Moderator no1mad's Avatar
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    You're talking about something like the Civia Halstead?
    Quote Originally Posted by Cyril View Post
    Ride what and in what manner pleases you. Those that mind don't matter, and those that matter don't mind. srsly.
    Community guidelines

  8. #8
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    Based on the links, it looks like the low-end of the market is pretty well covered. Even the Wren at the top end, at 590 ain't that pricey, really. My gut says the discriminating end of the market for a bike like you envision is vanishingly small.
    Chaad--'95 DeKerf Team SL, '02 Lemond Buenos Aires, '05 Novara Buzz, '73 Schwinn Collegiate, '06 Mountain Cycle Rumble, '09 Dahon Mariner D7, '12 Mercier Nano, '12 Breezer Venturi

  9. #9
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    Quote Originally Posted by no1mad View Post
    You're talking about something like the Civia Halstead?
    Yea Halstead, but for the cost wish it had disc brakes front and rear.
    ride long & prosper

  10. #10
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    Quote Originally Posted by no1mad View Post
    You're talking about something like the Civia Halstead?
    That is a nice cargo bike, like the Donkey but it weighs 33lbs. I am looking to cut the weight way down so that small women can easily lift it up to their apartments. My friend sometimes takes here 30lbs bike in the back of her car but has trouble lifting it out.
    Shopper bikes are not heavy duty cargo bikes and don't need the heavy load rating.

    How do disc brakes work with 20" wheels. Are the rotors too close to the ground?

  11. #11
    Super Moderator no1mad's Avatar
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    Maybe a minivelo?
    Not sure if this one is still in production, but there should be a few different brands offered in the Asian countries.

    Edit: Just remembered (and possibly still in production) the Cannondale Hooligan. Not exactly cheap, but has disc brakes and 8spd IGH.
    Last edited by no1mad; 12-11-13 at 03:08 AM.
    Quote Originally Posted by Cyril View Post
    Ride what and in what manner pleases you. Those that mind don't matter, and those that matter don't mind. srsly.
    Community guidelines

  12. #12
    PatronSaintOfDiscBrakes dynaryder's Avatar
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    Quote Originally Posted by no1mad View Post
    Edit: Just remembered (and possibly still in production) the Cannondale Hooligan. Not exactly cheap, but has disc brakes and 8spd IGH.
    3spd hub. They used to make an 8spd derailleur model,but haven't for several years.

    There is also this bike:
    http://cinco5.weebly.com/

    Although IMHO they should have designed the rear rack to be flatter.

    C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport/Qualifier,Dahon Speed Pro TT,Brompton S6L

  13. #13
    Uber Goober StephenH's Avatar
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    If all you need to buy is what fits in a little basket, a regular bike and a backpack are probably a better bet.
    One thing I learned with heavy loads in a front basket is that if you lift the handlebars, the rear wheel lifts, not the front, so it's hard to lift the bike over the curb. And along with that idea, I would assume that if there was much in the way of shopping to be done, you're going to be carrying the groceries and bike separately anyway.
    "be careful this rando stuff is addictive and dan's the 'pusher'."

  14. #14
    Senior Member Gasbag's Avatar
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    I just bought an older Raleigh Merida 20" shopping bike for wife. It's a real nice little bike, front basket, rear rack, full chain case, skirt guards, and a bell. Condition on a ten scale would be 9.5. The first time I saw it listed on Ebay it had a twenty dollar starting bid and the auction closed with no bids. This happened a second time. The third time, somebody bid it to $23 dollars and I sniped it for $26 just because I could. The auction presentation was excellent so I don't believe that was a factor. When I picked it up, the seller and I were both bewildered about the lack of interest. This is in the Chicago market so I would have to wonder if there is enough interest in them for a purveyor to even try to market them.

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