https://www.autosport.com/f1/news/13611 ... s-problems
![Image](https://d2d0b2rxqzh1q5.cloudfront.net/sv/1.67/dir/6c3/image/6c3b1a39e6f8ddec69f84b1d0e879a5c.jpg)
SFI concentrating on rear balance during in-season Barcelona test.
![Image](https://d2d0b2rxqzh1q5.cloudfront.net/sv/1.67/dir/387/image/387d5e85e7ac622aa1361388e2f6a97b.jpg)
Barcelona test will be make of break for the car, if they are able to solve the rear air-flow issue then the new front wing concept will be used and it will offer more speed to the car.