Features: Premium aluminum construction ensures solid stability for during bumpy rides, solving plastic bracket fragility issues with durability bike mount design. Features 360 degree damping rotation, 180° adjustable viewing and removable rubber spacers (22.5-32mm) for versatile camera positioning without requiring extra cages. Ideal for adventure cyclists and vloggers needing reliabled easy recording during long distance journeys or rough terrain exploration. Perfectly secures your action camera on handlebars during mountain trail city commutes, or road trips while maintaining smooth footage. Magnetic quick release with single knob operating enables instantly attachment/detachment, while silicone wrapped base prevents scratches on bike surfaces. Specifications: Component: High-strength aluminum For Size about: cage 73x52x58.6mm/2.87x2.05x2.31in Optional Version: Two card 1/4 positioning model / front and rear adjustable strong magnetic suction cup model / 360-degree damping rotary bike clip model / shoulder strap clip model / suction cup model Practicality: Suitable for cycling video taking for sports cameras, it can be firmly fixed on the bike, ensuring a smooth effect can also be achieved on bumpy roads. Package Includes: 1PC expansion frame 1PC L-shaped wrench note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.