Durable aluminum alloy Very strong aluminum compared to carbon fiber rods. Super lightweight, portable and durable material. 20cm longer extended tube can assemble more items. Double clip for fixed fixedCan be mounted on normal size (25.4mm) and up to oversize (31.8mm) handlebars. With Allen key for a better adjustment. The double clip is attached to greatly improve driving safety. Handlebar design Double rubber pads protect your handlebars from slips and scrapes. Effectively prevents the extension from slipping and is suitable for all types of handlebars. Easy to install Easy to use and remove With an Allen key, you can easily install and remove the extension bracket in a minute. Fully Compatible Our bike grip kit includes a packaged bike handlebar extender and screwdriver. The holder for bicycle lights, speedometers, GPS devices, flashlights or smartphones etc.