Features: Easy to install on your bicycles, wrapping firmly around handlebar end for impacts resistance. Make of metal alloys, enduring and not easy to age, not easy to damaged. You can easily connect the bicycles handlebar end plug to the bicycles handlebar to effectively protect the handlebar. Works great with most bicycles handlebars, including Road Bikes, Mountain Bikes, or other adult bikes. They light and small and do not take up much space, solve your storage and carrying problems while cycling. Specifications: Component: metal alloys Type: 01/02 Upper diameter: about 25mm/0.98inch Bottom diameter: about 19.5mm/0.77inch Height: about 17mm/0.67inch Package Includes: 1pair Handlebar Plug note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.