Sada Bike
Hubless Foldable Bike for Adler Group
The Sada Bike is a hubless, foldable and portable bike with 26 inch wheels. The wheel size allows to have an ergonomic posture in the ride version like a classical bike. The structure design allow to support each wheel in 3 points: the front ones are inserted in the fender structure, while the rear ones are allocated inside the rim. The chain transmits the motion to the lower wheel that transfers torque to the rim. The folding system has a fulcrum in the center that allows to close all frame. The bike can be put into a trolley and the absence of spokes leaves the space to insert other things.
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Sada by Gianluca Sada
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Hubless Foldable Bike by Gianluca Sada
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Gianluca Sada Sada
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Gianluca Sada Hubless Foldable Bike
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Sada Bike Hubless Foldable Bike Press Releases
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Sada Bike Hubless Foldable Bike Media Articles
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Unique Properties
The SadaBike have 5 strategic points: 1) Hubless bike. This means: Innovative Design and very good ergonomics and comfort. 2) Hubless and foldable bike: It has a special fulcrum in the center, all the frame folds, into a compact shape, similar to an umbrella. 3) Foldable with a single movement. 4) Portable on Shoulder: The small size has the advantage of carrying the bike on the shoulder. 5) Portable as a Trolley: The backpack presents a central hinge that allows the expansion in the trolley mode.
Tags
Hubless, Foldable, Trolley, Umbrella Bike
Production Technology
The parts of this bike are in aluminum alloy (7075 Ergal) made by CNC process. The next prototype and the production will be made in Ergal and carbon fiber.
Design Challenge
The bicycle without spokes was a challenge between innovation and design. The search for the perfect circle and the study of the laws of physics, yet the commitment, perseverance, with a certain amount of obstacles and falls have made it possible to operate the circle without rays, without constraint to the hub .. and again ... the search of technical and industrial partner, led me to finalize an essential design with extreme innovation.
Project Duration
The main exhibitions are: SMAU Torino (Torino Italy 05/2014); Napoli Bike Festival (Napoli Italy 09/2014); Forum del Design (Milano Italy 10/2014); TEDx Bologna (Bologna Italy 10/2014); Bike to the future: Design Museum Gent (Belgium 10/2016), Bloomfield Science Museum (Jerusalem Israel 05/2017), Universum Bremen (Germany 04/2018), Citta della Scienza (Napoli Italy 4/2019), Science and Technology Museum (Ottawa Canada 04/2020), Franklin Institute (Philadelphia USA 04/2021).
Operation Flow
The frame is composed mainly of 4 parts similar to a scissor front and a rear. Each wheel is supported in 3 points: the front ones are inserted in the fender structure, while the rear ones are allocated inside the rim. The bending system has a central fulcrum around which the front and rear parts of the structure and allows it to close the whole frame in a very compact way. The Sada Bike has a change in the lower wheel that transmits the motion, which allows multiplying the speed of 3 times. The chain then transmits the motion to the lower wheel that transfers torque to the rear rim.
Research
The result of the project is a 26 inch foldable bicycle with a minimum size when folded (the frame dimension is barely the size of an umbrella) for hand-transport. Sada Bike, despite the sizes of its wheels and the total absence of hubs and spokes, when folded, is the lightest and least cumbersome foldable bike on the market as it can be transported in an elegant trolley. Other foldable bikes have tiny wheels and frame enhancing manageability at the expense of stability and safety.
Inspiration
Demanding mobility-related service has its consequences on society: street congestion of metropolitan hubs is the everyday challenge commuters have to face and it is a source and stress and delays. «You never change things by fighting against the existing reality. To change something, build a new model that makes the old model obsolete.» R.Buckminster Fuller Promoting and enabling virtuous behaviors for smart mobility, intermodality, sustainability for the environment are the values driving Sada Bike
Image Credits
Image Frozen Light studio
Project Overview
Sada Bike Hubless Foldable Bike has been a Golden winner in the Vehicle, Mobility and Transportation Design award category in the year 2019 organized by the prestigious A' Design Award & Competition. The Gold A' Design Award is granted to designs that demonstrate a high level of innovation and a significant impact on their intended audience. Recognized as a major achievement by the A' Design Awards, these designs are characterized by their visionary approach and the exceptional skill of their creators. Winners of the Gold A' Design Award are noted for their ability to push the envelope in art, science, design, and technology, delivering solutions that not only meet but exceed expectations. These designs serve as benchmarks for excellence, encouraging further innovation and inspiring future generations of designers.
Golden Recognition
Gianluca Sada was recognized with the coveted Golden A' Design Award in 2020, a testament to excellence of their work Sada Bike Hubless Foldable Bike.
Gianluca Sada Press Releases
Explore the world of Gianluca Sada through our press releases, designed for media members to use freely and enrich your content. Press members can now immediately access 1 press releases.
Sada Bike: The Hubless Foldable Bike Revolutionizing Urban Mobility
Introducing the innovative Sada Bike, a hubless foldable bike designed by Gianluca Sada, offering a sustainable solution to urban congestion and promoting smart mobility.
Gianluca Sada Newsroom
Access Gianluca Sada Newsroom for exclusive insights into distinguished design and laureled projects.
