With the user-friendly kit, air pockets can be removed from the MAGURA VYRON eLECT seat post system in just a few steps. In parallel to MAGURA's hydraulic brake systems, mineral oil - Royal Blood - is used. Biggest advantage: It doesn't aged, doesn't attract water and in contrast to DOT brake fluids doesn't attack materials. Some parts from the MAGURA professional bleeding kit can be used here for the bleeding process. A detailed instruction manual is enclosed with the product.