S Wave - Adjustable Anti Roll Bar - Front 27mm - Corolla Cross XG10, 2019 OnS Wave Anti Roll Bar for Corolla Cross XG10, 2019 On Front S Wave 27mm OEM 25mm 2 position adjustable Complete with bushes & brackets S Wave signature orange powder coating The fitting of larger sway bars has two main effects, vehicle balance in terms of understeer and oversteer, and increased roll resistance. Both of these can provide increased overall grip levels that can be achieved by the vehicle.