Name: Folding handlebar Colors: black red, black blue, black gold, black silver, black green Material: Aluminum alloy 6061 Folding handlebars are equipped with gaskets Add a gasket with a middle diameter of 31.8mm. Without shims, the middle diameter is 25.4mm (note: if using a 25.4 handlebar, only when using a 25.4 handlebar, to prevent affecting installation, the width of the front end of the handlebar should not exceed 4.5 centimeters) Both ends have a diameter of 22.2mm Feature : 1) Folding in 1 second, convenient quick disassembly, installation and disassembly can be completed without any tools, folding in 1 second, convenient and fast 2) Ultra-light material 6061 standard aluminum alloy, 20% lighter than ordinary aluminum alloy, lighter weight, harder, and space-saving 3) It can save space, no matter where you put the bicycle with the handlebars folded, it saves space 4) Suitable for any aluminum alloy forged conversion buckle for mountain bikes, suitable for mountain bikes of various specifications Suitable for bicycle Folding bicycle Mountain bike Kick scooter 25.4/31.8 riser (31.8 needs to add conversion clip)