Sada Bike Ịgba Ígwè A Na-apịaji Apịaji by Gianluca Sada

Sada Bike Ịgba Ígwè A Na-apịaji Apịaji by Gianluca Sada is a highly esteemed winner of the very prestigious 2020 Ihe Nrite A' Design Award nke Ọlaedo in Nhazi Ụgbọ, Njem na Nnyefe Competition Category.

ỌlaedoỤgbọ· 2020

Sada Bike Ịgba Ígwè A Na-apịaji Apịaji

by Gianluca Sada

Client: Adler Group

Ihe Nrite A' Design Award nke Ọlaedo Winner in Ụgbọ Category

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The Design

About Sada Bike Ịgba Ígwè A Na-apịaji Apịaji

Sada Bike bụ ịgba ígwè a na-apịaji apịaji nke na-enweghị isi ụkwụ (hub), nke nwere ụkwụ ígwè inch 26. Ụkwụ ígwè ndị buru ibu na-akwado ọnọdụ ịnya nke dị mma, nke yiri nke ịgba ígwè nkịtị. A na-ejide ụkwụ ígwè ọ bụla n'ebe atọ: ebe ndị dị n'ihu ka a rụnyere n'ime akụkụ fenda, ebe ndị dị n'azụ na-anọ n'ime ọnụ ụkwụ ígwè (rim). Ụdọ ígwè (chain) na-ebufe mmegharị gaa n'ụkwụ ígwè dị ala, nke na-ebufe ike ntụgharị gaa n'ọnụ ụkwụ ígwè azụ. Ntọala ígwè ahụ na-atụgharị gburugburu otu ebe etiti dị mkpa, ya mere ihe niile na-emechi n'otu mmegharị ka ọ ghọọ ọdịdị dị nso n'ogo nche anwụ. Enwere ike iburu ịgba ígwè ahụ apịajiri apịaji n'ubu ma ọ bụ dọkpụọ ya dịka troli.

The Recognition

About the Ihe Nrite A' Design Award nke Ọlaedo

Sada Bike Ịgba Ígwè A Na-apịaji Apịaji meriri A' Design Award nke Ọlaedo, nnabata dị oke ugwu e nyere design ndị dị n'ọkwa mbụ, dị ịtụnanya ma pụtara ìhè. Ndị meriri na Ọlaedo bụ ihe e kere eke dị oke ọhụrụ, nwere ọhụụ ma na-egbu maramara nke na-egosipụta ọgụgụ isi, amamihe na nka nke ndị designer ha. A na-atụ anya na Sada Bike Ịgba Ígwè A Na-apịaji Apịaji ga-abụ ihe e mepụtara kacha enweta otuto, na-edu ọnọdụ ma bụrụ ihe ncheta nke na-enye uru na-adịbeghị mgbe ọ bụla. Design a meriri A' Design Award nke Ọlaedo bụ ọrụ dị ebube, a na-asọpụrụ nke na-erite uru buru ibu ma na-ebuga oke nka, sayensị, design na teknụzụ n'ihu. Sada Bike Ịgba Ígwè A Na-apịaji Apịaji na-eweta mmetụta ọchịchọ siri ike, na-akpali agụụ, na-akwado nzụlite ihe ma na-adọrọ anyị adọrọ.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

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.
Dimensions & Packaging: 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
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.
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
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.
Patents: 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
Team Members: Inventor and Designer: Ing. Gianluca Sada
Product Development Manager: Luca Scudieri
Image Credits: Image Frozen Light studio