'city recumbent' by jean davignon   'seoul cycle design' competition shortlist revealed 'city recumbent' by jean davignon   'seoul cycle design' competition shortlist revealed
sep 07, 2010

'city recumbent' by jean davignon 'seoul cycle design' competition shortlist revealed

‘city recumbent’ bike by jean davignon

‘city recumbent’ bike by jean davignon

‘city recumbent’ by jean davignon from france is one of the shortlisted design entries from more than 3000 participants in our recent designboom competition ‘seoul cycle design competition 2010‘ in collaboration with seoul design foundation.

designer’s own words: ‘a fat tire composite and aluminium recumbent bicycle with a horizontal pivot twin bar fork link steering handle. rear internal gear hub with a spring loaded chain tensioner and a flexible lower chain guide. for optimal weight distribution, the seat adjustment mechanism is found under the seat. front and rear sections can be separated to facilitate transportability.’

the winning entries and the some of shortlisted designs will be exhibited at the seoul design fair 2010 from september 17th to october 7th.

detail of steering fork

(left) rear view (right) diagram

sketch of steering mechanism

— for those who wish to republish an excerpt of this article, please have the courtesy to mention that the project is a part of the seoul cycle design competition, organized by designboom in collaboration with seoul design foundation, and link back to the original publication on designboom. thank you.

  • can i buy one?

    twitchy says:
  • want one too!

    greg says:
  • perfect!

    thazio says:
  • The bike looks great! I love the use of different materials used to their benefit.
    I am however, unsure of the steering mechanism. It is more complex than the usual single arm pivoting in the middle and it makes the hand rotate forward with the handle causing pressure on the wrist. The typical pivot handlebars keep the hand orientation the same as one rotates the handlebars. Also since this is a city bike, I don’t see any suspension on the rear wheel which would help out with road noise and potholes. I feel this is a beautiful compact long wheelbase recumbent which could push a little more to make it a fantastic mainstream bike.

    faftaichi says:
  • will it be comfortable and easy for legs to move in this horisontal-ish position?

    darina says:
  • If you are not familiar with recumbent bikes they are very comfortable. They give you a relaxed riding position and full side and forward view. They elliminate any back and neck stress as well. They do, however, take a few rides to get used to.

    faftaichi says:
  • Its is already called the Green Machine by Flevobike

    [url=http://www.flevobike.nl/content/view/16/79/lang,en/] Green Machine[\url]

    Iago says:
  • I like the design but i don’t get the “city” concept. I ride my bike a lot and the problem in the city is mainly sorting traffic. Recumbents are very unstable and hard to maneuver at low speeds. Also starting can be quite difficult and you need some extra space comparing to upright bikes.
    So unless your city has very nice cycle-ways all over I think it would be hard and unsafe to use.

    pedro says:
  • It looks nice, but for the “city” label it needs a few things so it’s not just an exercise machine, to wit: fenders/mudguards, a rack/basket/pocket to carry things, maybe lights, and some way to lock/secure.

    Cyclelicious says:
  • Isn it supposed to be sustaenable?, Well when i saw the parameters of the competition, they where as “city bike” and as “sustainable vehicle”, Im cool with the Aluminium (is one the materials to use less energy to be recovered, plus its recovered almost 100%) but carbon fiber is not green at all, and the seat? is it leather, which process is quite ungreen as well, anyways…Im agree with Pedro, isnt very city… at list some cities that I have been, never in Seoul though… good “concept” but not very effective with the competition parameters…

    Paco says:
  • Interesting design. However, as already posted above, it cannot be considered a “city” bike (neither a daily one I say). Too many usability matters. Still in love for “traditional” frame / posture design. Good night and good luck.

    Pista_Brera says:
  • nice recumbent. very tasteful use of materials too. Though I think you’d be squashed by a truck within seconds of taking to Seoul’s streets with it.
    Are entrants allowed to publish their designs? surely the competition is still ongoing?

    billyray says:
  • I ride a recumbent in the city almost every day and find it just as suitable as an upright but far more comfortable. Keep up the good work. This is the most practable bike in the lot.
    Don M 09.10.10

    [email protected] says:
  • It is like my 15 years old Flevobike Amigo (before the Green Machine) I am using in the town of Leiden, but then without city reqirements (luggage platform, lights, accessoires against wet road, comfortable seat, park facility …).
    And also without the necessary front and back suspension and variable position of the steer.

    henk says:

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