CARBING Lower Arm bars are utilized STKM13A steel oval shaft (20x40) because of advantage of twist rigidity.
Bracket part is designed as a pipe shape for high strength between body and the bar. (except some cars)
Moreover, its shaft and bracket are fully welded.
The CARBING Lower Arm bar has highly effect on a vehicle with up-graded big wheel or high-grip tire, especially heavyweight car.