Sustainable Cycle

Featured in the top 20 for the 2011 International Bicycle Design Competition, the Greencycle 2 provides more than just basic transportation between point A and point B; it provides an environmentally sustainable, meaningful and overall beneficial solution to poorer countries. A series of G2s were created in the design process with core parts made from renewable resources such as bamboo, which is widely available in many 3rd world countries.

Human-centered research methods were used to capture knowledge and feedback from the target groups in order to shape and develop the design process, ensuring that the end-result would not only be acceptable but also culturally meaningful in a way that would strengthen the user’s relationship with it.

1. An extra wheel for stability – going from a two wheel to a three wheel design to create a triangular base that is stable and strong for heavy loads.

2. The ability to convert back to a two wheel configuration style when the terrain requires tight negotiation – like a narrow pathway through a padi field or poor road conditions as commonly found in Third World countries.

3. A splayed rear wheel base to provide a stable surface for load storage/ carrying which conventional bicycles don’t have.

4. Provision for a basic frame for further customization depending on the user’s needs and wants, such as a hawker’s stand or goods mover.

5. A splayed rear design has given an opportunity for a further fixing point for additional attachments.

6. An attachment that has a dual purpose as a wheel barrow for loading goods and as a trailer for carrying goods.

7. An S-frame shape instead of a diamond frame shape to free up and create as much space for loading.

8. A strong central core acting as an anchor for other attachments, such as a people carrier.

9. A stronger wheel design.

10. Double front spokes to mimic the old style bicycle frame which has reinforced steel front forks.

11. A detachable passenger seat to allow maximum cargo space can also be used as an attachment point or to hang a basket.

12. The main frame components made from environmentally friendly composite bamboo based materials which can be molded to produce the desired form.

Designer: Paulus Maringka


  • Z says:

    Good! I like it

  • Chris says:

    Great stuff Paulus, hopefully you win IBDC!

  • IT_007 says:

    Congratulations! You deserved to be recognised after such hard work and also for your creativity. This is my favourite bike. Hope you win IBDC.

  • Celina Song says:

    Wow….. unbelievable…… u did those…… Great job buddy !!!!!

  • kavi says:

    Sustainable designs, i love them!

    Good environs make good life!

  • Excursioner says:

    Congratulations! I would even like to have one. I just have the question of how does the bike behaves on turns with the back wheels close. Hope to see a video of the working prototype soon.

  • WZhangID says:

    Very creative, but give that seat some setback for Christ’s sake.

  • Dave says:

    Gah the rightup is missing all of the interesting info!

    How is power transfered to the rear wheels and when in “two wheel” mode do the rear arms articulate independantly to allow the bike to lean?

    Incorporating the trailer like that is a bold new approach, but how would it be to use as a wheelbarrow with the castored wheel? Does it lock in place for use on its own? And I’d suggest articulating its connection on the vertical plane, there could be a lot of stress placed on the join between the trailer and trike if traveling over undulating surfaces.

    Like the idea tho, but mor info or a linky plz!

  • Grey says:

    Nice! love the concept! i second some of Dave’s queries.

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