Features: Conosist of durability aluminum alloys, this bicycles stem extension support up to 15kg load capacity, offering long lifespans than traditional steel alternatives for worry without adventures. Its tool without installation enables 5 second setups without screws or tool, features a double bar structure to mount light and bike computer simultaneously. Ideal for endurances cyclists, commuters, and trail enthusiasts puruses reliability gear for extended cycling or extremes terrains. Enhances nighttimes visibilities with 200 meter LED beam reach while safely holding navigations devices during cycling. Universally compatibility with 30.4 31.8mm handlebars across mountain, city, and road bikes, ensuring seamlessly integration into any cycling setups. Specifications: Color:Two Elections Dimension:15×17cm/5.9×6.69in Component:Aluminum alloys Package Includes: 1pc Bike Stem Extension Brackets note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.