The ball joint is a rotating, swiveling coupling that is typically the interface between the control arm and knuckle in a vehicle's suspension. The ball joint serves as the pivot point between the tire and the suspension. TRW Automotive offers many designs suitable for a wide variety of applications. This portfolio includes low-cost to high-performance designs that satisfy different customers' needs. TRW also continues to develop next-generation designs to reduce cost and weight, while maintaining or improving performance.