Bleed kit standard edition bleed kit no fluidwith over 25 years of experience riding mountain bikes, bleed kit has designed its standard edition bleed kit to work reliably time and time again. Each kit contains the vital equipment you'll need to bleed your brakes and keep them in perfect working order so you can push harder on the trails.featuresshimano 2012 contents 20ml syringe with tubing 30ml syringe with brass lever port adaptor with o ring universal bleed block for two and four piston shimano brakes reusable extra long zip tie for holding in place caliper syringe drainage tube 2 x zip ties 2 x fluid catch bag spare o ring instruction manualsavid formula sram pre 2017 contents 2 becton and dickinson 20ml luer lock syringes with long lasting pistons m5 brass fittings precision made on citizen swiss lathe cnc machine quality tight fit german made o rings custom drawn basf elastollan pu tube bartec clamp with wider anatomic grip luer lock fittings made by injectech, usa spare o rings universal bleed block for two and four piston brakes instruction manualsbuy bleed kit components from chain reaction cycles, the world's largest online bike store.