EV Dictionary: Chassis

Bump Stop and Rebound Stop

Travel stops protect suspension components and can add a tuned secondary rate near each limit.

Five-Link Suspension

A five-link suspension uses five locating links at each wheel carrier as a form of multi-link axle.

Independent Suspension

Independent suspension lets one wheel move vertically without a rigid axle forcing the opposite wheel.

Multi-Link Suspension

A multi-link suspension locates each wheel with several separate links for flexible geometry tuning.

Semi-Independent Suspension

Semi-independent suspension allows relative wheel movement while retaining a structural coupling.

Torsion-Beam Suspension

A torsion-beam suspension couples two trailing arms through a cross member that twists in roll.

Track Width

Track width is the lateral distance between the wheel centre lines on the same axle.

Wheelbase

Wheelbase is the longitudinal distance between the centres of a vehicle's front and rear axles.