Awesomatix PSSX - Progressive Spring System (New 30%) A800R This makes it a lightweight

This makes it a lightweight companion in your RC equipment

where a rigid link will remove this flex

European champions

Improved flex through a one-piece top-deck design

If you're after the full set

Awesomatix PSSX - Progressive Spring System (New 30%) A800R This makes it a lightweightAwesomatix PSSX Progressive Spring System set is designed to add 30% progressiveness into the originally linear action of SPR01S and SPR01 springs in all A700 A800 cars. Updated version of the previously known "PSS set". The PSSX set comes with the new ST69X 30 Screw with wider cap that provides 30% progressiveness across an increased range of suspension travel and suspension setups. All previous ST69 screw versions fit as well (not included). With