Manufactured from Anodized AluminiumUniversal fit for 8.3mm threaded valvesPuig Race Valve Caps are a simple and easy way to accessorise your motorcycle whilst also offering you an improved solution for tyre inflation and valve protection. Manufactured from Aluminium Puig Race Valve Caps will arrive safely packaged together with comprehensive fitting instructions and any additional fittings which may be required. No modification to your motorcycle is necessary.