Helmet Bubble Visor – Designed for Safety, Style, and Convenience Key Features: Durable PC Material: Crafted from toughness polycarbonate lenses with impact resistance. Lens thickness of 2 cm meets the standard of bulletproof glass. Built to withstand daily use without deforming or breaking, ensuring reliable protection for years. Wide Compatibility: Fits all threebutton helmets without modification. Designed for retrostyle helmets and can be flipped up or down with its sturdy bracket. Ideal for riders seeking both vintage aesthetics and modern functionality. Secure ThreeButton Fit: Tailored for helmets with a threebuckle structure. Installs quickly and securely without tools. Matches standard bike helmet buckles, stays firmly in place, and eliminates movement during rides for added safety. Thoughtful HumanCentered Design: Classic bubble visor shape enhances the retro look while providing ample face coverage. Bracket mechanism allows quick onehanded flipup or down operation for convenience when starting, stopping, or communicating. Performance and Practical Use Scenarios: 1. Everyday Commuting: Offers clear vision and strong protection against wind, dust, and debris during city or highway rides. Quickopen bracket design lets you lift the visor at traffic stops without removing your helmet. 2. LongDistance Touring: Reliable PC lens resists impacts from small stones or insects at speeds, keeping you safe and comfortable throughout extended journeys. 3. Vintage and Custom Helmet Builds: match for custom retro helmets, complementing classic styling while delivering modern safety performance. Specifications: Material: toughness polycarbonate (PC) Lens Thickness: 2 cm Mounting: Threebutton helmet design, no tools required Operation: Flipup/down bracket for onehanded use Application: Compatible with all standard threebutton helmets, especially retro models This helmet bubble visor combines proven safety performance with timeless style, making it an essential upgrade for riders who value protection, compatibility, and ease of use.