Specifications: Material: Aluminum Alloy Color: Black Clamp Length: 9.5cm Length Bar Height: 10.2cm Fits full size (25.4mm) and larger (31.8mm) handlebars Provide Extra Space - can assemble more items can be used to clip lamp frame, cell phone holder, code table, horn, etc. Premium Material - The handlebar extension holder is made of aluminum alloy. high quality ultra-light aluminum, lightweight, strong and durable, weighs only 1.69 oz; Bar length: 10.2cm, clamp length: 9.5cm, and anodized on the surface which is not easy to rust or fade, strong corrosion resistance. Clamp Fixed - Each extension bracket has a bracket has screws, thick rubber strap gaskets inside the ring that attach to your bars for a strong and secure grip, prevent the handlebar extension from slipping . Easy to Install - With an Allen key, the extension bracket can be installed in a minute. Extension bracket length 10 cm, with rubber gaskets. Widely Applicable - Suitable for different sizes of handlebars, can be installed on normal size 25.4mm handlebar and up to larger than 31.8mm, 25.4mm handlebar needs to add gasket.