Features: The upgraded helmets Quick Release Buckle features metal and plastic construction with 50% enhanced tensile strength, ensuring reliable safety for motorcycle helmets during high speed rides and extreme conditions.<br> Engineered with a five segment M type clasp and stainless steel components, this buckle offers precise adjustment through its stage locking mechanism and quick release function for instantly helmets removal.<br> Designed for motorcycle riders, motorsport competitors, and urban commuters requiring secure yet accessible helmets attachments during emergency situations or long distance journeys.<br> Ideal for road racing, road adventures, and daily motorcycle use, this buckle maintains stability across vibration intensive environment.<br> Easy to install, features speed clip, quick release performances.<br> Specifications: Material: POM,Metal<br> Size:Approx.67mm/2.64'x26mm/1.02'<br> Quantity:1,2,4<br> Package Includes: 1/2/4Pcs Helmets Buckle<br> note: Please allow 1mm errors due to manual measurement.<br> Due to the differences between different monitors, the picture may not reflect the actual color of the item.