[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 perfect replacement for double ring and snap closures. 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. This quick release system offers convenience and efficiency. [Easily On/Off with Gloves]: The included pull cord enables quick unlocking of the ratchet mechanism even when wearing gloves. The cord is adjustable to preferred angles, stays secure against wind movement, and ensures precise control, saving time and enhancing usability. [Widened Strap Buckle Metal Slot]: The metal slot features a parallelogram design, with a thickened and widened chinstrap connection area to resist high tensile forces without deformation. Easily attaches to existing helmet chinstraps without removing original snaps or straps. Color: Black Material: Metal Size: Bandwidth: 25mm Package Contents: 1 set x Helmet Quick Release Buckle Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.