[Perfectly Compatible]: The upgraded motorcycle helmet quick buckle kit fits up to 1 inch chinstrap and is compatible with half helmets, 3/4 helmets, open face helmets, and full face helmets. It serves as a suitable replacement for double ring and snap closure systems. Ideal for motorcycle riders, cyclists, and sports enthusiasts. [Super Quick Release Helmet]: This helmet buckle replacement kit allows for one-second release, featuring an innovative design for users who frequently remove their helmet during daily use or find traditional fastening methods cumbersome. A practical upgrade for easy on and off access. [Easily On/Off with Gloves]: The included pull cord enables quick release of the ratchet lock even when wearing gloves. The cord is adjustable in position and angle, remains secure in wind, and stays within easy reach, offering convenience and time savings. [Widened Strap Buckle Metal Slot]: The buckle features a parallelogram-shaped metal slot with a thickened and widened chinstrap connection area to resist deformation under high tensile force. Easily attaches to existing helmet chinstraps without removing snaps or cutting straps. Color: Red/Black Material: Metal Size: Bandwidth: 25MM Package Contents: 1 set x Helmet Quick Release Buckle Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement may vary by +/- 1-3cm.