Strada 7 83 Degree 8.3mm 0.357" inch CNC Valve Stems (Black) With a more streamline design, and a 3D CNC finish, these valve stems are definitely going to give you the finishing touch on your bike modifications, and offer you the easiest access to the valve stem for checking tire pressure and adding air. Sold in pairs of 2 Fitment Instructions: Torque valve stem attachment nut to 8Nm to 10Nm, make sure your rim is clean and surface is smooth to assure an airtight fit. (Fits most Italian and British made motorcycles such as Aprilia, Ducati, MV Agusta, and Triumph motorcycles. Also fits many aftermarket wheels from Brembo, BST, Cerchi Antera, Marchesini and Marvic) Choose from: Black, Silver, Gold, Red, Orange, Blue, Grey, Green