This model is a stand that lifts the rear wheel hub axis between the left and right to lift the rear wheel and freestanding. It is a model that emphasizes the stability of the bicycle when installed. The shape of the legs differs from the DS-30 series, so it has excellent lateral stability and holds the bicycle firmly. The frame also has a bent top for easy access to the rear derailleur and is maintainable. The main unit is not a folding structure.