Sada Bike Hubless Foldable Bike by Gianluca Sada

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DESIGN DETAILS
DESIGN NAME:
Sada Bike

PRIMARY FUNCTION:
Hubless Foldable Bike

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

UNIQUE PROPERTIES / PROJECT DESCRIPTION:
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.

OPERATION / FLOW / INTERACTION:
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.

PROJECT DURATION AND LOCATION:
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).

FITS BEST INTO CATEGORY:
Vehicle, Mobility and Transportation Design

PRODUCTION / REALIZATION 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.

SPECIFICATIONS / TECHNICAL PROPERTIES:
Sada Bike measurements: In «open version» Sada Bike is like a «normal» 26 inch bike: 1640mm; 980mm; 530mm The dimension of only the frame, is like an umbrella and included rims, overall measurements are: 700mm; 600mm; 280mm

TAGS:
Hubless, Foldable, Trolley, Umbrella Bike

RESEARCH ABSTRACT:
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.

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.

ADDED DATE:
2020-02-23 20:30:55

TEAM MEMBERS (2) :
Inventor and Designer: Ing. Gianluca Sada and Product Development Manager: Luca Scudieri

IMAGE CREDITS:
Image Frozen Light studio

PATENTS/COPYRIGHTS:
Patented No. PCT EP2011​ 878 Italy EP2509854A1, Europe EP2509854B1, USA US20120319377 1st Classified for: Idea TO; The best innovative thesis 2010 Thesis awarded at 55 Congress of order of Engineers of Italy Project selected for 200 Young talent of Italy Event held by the Minister of Youth, Rome 17-20 November 2010

Visit the following page to learn more: https://www.youtube.com/watch?v=WIVeemZ0_e4&a mp;feature=emb_titl
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CLIENT/STUDIO/BRAND DETAILS
NAME:
Adler Group

PROFILE:
Adler Group is a worldwide leader in the design, engineering, manufacturing of acoustic and thermal components and systems for the automotive sector. Adler group also diversified its business in carbon fiber components ( for aeronautic and automotive f division ), tech fabrics, leather goods, predictive maintenance systems and food division.

NOMINATION DETAILS

Sada Bike Hubless Foldable Bike by Gianluca Sada is a Nominee in Vehicle, Mobility and Transportation Design Category.

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AWARD DETAILS

Sada Bike Hubless Foldable Bike by Gianluca Sada is Winner in Vehicle, Mobility and Transportation Design Category, 2019 - 2020.



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