Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. [reference: Jazar, Reza N. (2008). Vehicle Dynamics: Theory and Applications. Spring. p. 455. Retrieved 2012-06-24.] EARI has the experience on the suspension system design, resolving the brake judder issues by capturing the characteristics of the suspension system through advanced CAE technology.