Where is it?
Around the arms joining the inner side of the rear wheels to the rear of the chassis.
What does it do?
They help the rear tyres grip and control how the car moves during acceleration. On this site, this category also includes nearby rear-wheel components.
What to watch in an update
Look beyond mechanical movement to covers and cooling ducts. Airflow around the rear wheels also affects how the underfloor exit works.
This guide explains the basic role. The FIA submission gives the stated aim of each individual update.
See Rear suspension updates →← Back to all parts