alpha Racing Black Double Hollow Bleeding Valve M10x1x29 BMW S1000 RR, thread length 29mm, black anodized. Innovative quick bleeder valve for a safe, clean and quick bleeding and filling of hydraulic brakes and clutches of all vehicles. Unassisted single-hand operation. Particularly suited for substituting rubber hoses by stainless steel over-braided brake hoses. CNC precision turned part made of nickel-plated steel for substitution of the conventional bleeding fitting.