Product Description Using the NEWMEN tubeless valve with a 44 mm length and removable valve insert, converting your wheel to tubeless becomes child's play. The rubber plug adapts to the valve hole and the valve is fixed to the rim by the valve nut. Technical Information:Application:All Mountain, RoadMaterial:aluminiumLength:44 mmValve:PrestaManufacturer Number:90500 Contents:2 x NEWMEN tubeless valves Manufacturer: MG-Components GmbH & Co. KG Am Mühlbach 5c 87487 Wiggensbach Germany info@mg-components.de