[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 replacement for double ring and snap closure systems. Suitable for motorcycle riders and sports enthusiasts. [Super Quick Release Helmet]: This helmet buckle replacement kit allows for one-second release, featuring an innovative design ideal for those who frequently remove their helmet or find traditional fastening methods cumbersome. Offers a convenient and efficient solution for everyday use. [Easily On/Off with Gloves]: The included pull cord enables quick release of the ratchet lock even when wearing gloves. The cord is adjustable to preferred angles, stays secure against wind movement, and ensures precise control, offering both convenience and time savings. [Widened Strap Buckle Metal Slot]: The metal slot features a parallelogram design, with a thickened and widened connection area for enhanced durability under high tensile force without deformation. Easily attaches to existing helmet chinstraps without requiring removal of original snaps or straps. Color: 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 variations between the image and actual item. Measurement error allowance is +/- 1-3 cm.