Feature 1One click Quick Release: Adopting advanced quick release mechanism, allowing you to enjoy unprecedented convenience when wearing or taking off the helmet. Just press lightly to quickly undo the buckle, simplifying the wearing process. 2Wide Compatibility: The carefully designed buckle is suitable for various types of motorcycle helmets such as full helmets, 3/4 helmets, and half helmets, as well as most sports helmets, meeting the personalized needs of different riders and sports enthusiasts. 3Stable and Reliable: While ensuring quick release, the built-in locking function can firmly secure the helmet, providing continuous and stable protection for the head even in high-speed driving or complex road conditions, allowing you to ride worry free. 4Premium Quality Materials with Strong Durability: Made of high-strength plastic, nylon, and wear-resistant metal components, it is durable, resistant to pulling and corrosion, and maintains excellent performance even in harsh environments, extending its service life. 5Easy Installation: Comes with tools, users can easily install the helmet themselves, instantly upgrading its safety and convenience, bringing an instant revolutionary experience to your cycling equipment. Item: Helmet Quick Release Buckle Kits Main Color: Black Material: ABS Size: 6.8*3.7*0.5cm/2.68*1.45*0.2inch Package Size: 10*6*2cm Package Weight: 45g Package List 1* Helmet Quick Release Buckle Kits 1* Screwdriver