Product Description - For use with standard valves With these reducers from NEWMEN you can reduce the valve holes of your Streem wheels if you want to use standard valves. Compatibility:NEWMEN Streem wheelsManufacturer Number:90347 Contents:2 x NEWMEN Streem reducer2 x NEWMEN Streem stopper Manufacturer: MG-Components GmbH & Co. KG Am Mühlbach 5c 87487 Wiggensbach Germany info@mg-components.de