Equipment: for MTB mountain bikes, road bikes and other 28.6mm forks. Color:Gold,Silver,Blue,Black,Red Material: Aluminum Alloy Height: 5mm / 10mm 4*10mm headphone gasket Internal diameter 28.6mm, height 5mm and 10mm, suitable for 28.6mm bicycle front fork rod. Give your fixtures or bikes excellent decoration, you can choose your favorite color. 1*5mm headphone gasket Our earphone pads are made of high quality aluminum alloy materials and are durable. Inner diameter: 28.6mm / 1-1/8 inches They are lightweight, easy to install, have a smooth surface and are exquisitely crafted. Note: Before placing an order, make sure the product is suitable for your motorcycle.