General description WD-40 Specialist® Silicone Spray is a high-performance lubricant and protectant designed for metal, rubber, plastic, and vinyl surfaces. It offers long-lasting lubrication and protection, preventing cracking, splitting, and aging of parts while keeping them looking new. The spray reduces sticking, friction, and wear on moving components, providing excellent waterproofing and moisture resistance. Additionally, it repels dust and dirt with a fast-drying, clear, and non-staining film. Technical specifications Size: 400ml Effective temperature range: from -100°F to 500°F (-35°C to +200°C) Provides up to 5 times greater wear protection than competitors Lubricates at least twice as long as similar products Compatibility and accessories Suitable for cables, pulleys, guide rails, valves, linkages, hinges, locks, and other moving parts Can be used on inner cables, shifter mechanisms, clipless pedals, and skewer cams Installation Use the spray with the valve in a 360°