Aluminium rims
The patented COBAWHEELS™ aluminum wheel technology is a great illustration of Saint Jean’s mission for mobility. It reduces the use of raw material, namely aluminum, and it contributes to lighter vehicles without compromising safety and performance.
![Logo Cobawheels](https://www.st-ji.com/wp-content/uploads/2021/08/COBAWHEELS-logo-2018-vOrWit-153x300.png)
![Jantes en aluminium sur le Dodge Charger SRT](https://www.st-ji.com/wp-content/uploads/2021/08/cobawheels-jante-aluminium-dodge-charger-srt.jpg)
Lightening of Aluminum Wheels
By using the right technology and the right alloy in the right place, we have managed to produce a rim with the amount of material strictly necessary to fulfill its function.
The result is large diameter rims that are ultra-light and able to withstand the most extreme conditions.
Benefits cobawheels™
This technology is more applicable to the manufacture of large diameter rims of
19 to 22 inches
Ultra light design
A unique combination of technologies that allows the greatest freedom of design, and guarantees thin thicknesses.
![cobawheels-logo-2018 Logo Cobawheels](https://www.st-ji.com/wp-content/uploads/elementor/thumbs/COBAWHEELS-logo-2018-q4h5fkir9nd928upmw0qjs0o6zi5p7fl385dbr57so.png)
Controlled costs
We use the minimum amount of material in manufacturing, and we use less tooling to perform all operations.
cobawheels™
A hybrid technology
We use our patented COBAWHEELS™ technology that combines advanced manufacturing processes used in aerospace and automotive: flow forming, COBAPRESS™ and FSW friction stir welding.
![Logo Cobawheels](https://www.st-ji.com/wp-content/uploads/2021/08/COBAWHEELS-logo-2018-224x300.png)
![Exemple d'une jante aluminium avec le procédé Cobawheels](https://www.st-ji.com/wp-content/uploads/2021/08/cobapress-cobawheels-jante-aluminium-automobile.jpg)
COBAPRESS™
This process offers great design flexibility, improved mechanical characteristics, and very good fatigue resistance
![Soudage par friction jantes aluminium](https://www.st-ji.com/wp-content/uploads/2021/08/fsw-aluminium-jante-automobile-420p.jpg)
Friction stir welding
Used to weld the two parts of the rim, without adding metal, whatever the alloys used
![Fluotournage jantes aluminium Cobawheels](https://www.st-ji.com/wp-content/uploads/2021/08/cobawheels-fluotournage-jante-aluminium-automobile.jpg)
Flow forming
A process commonly used in the manufacture of cast aluminum rims, Saint Jean Wheels applies it to an extruded tube to lighten the rim bed.