• Made from high-strength aluminum alloy, lightweight and durable. • Integrated design that enhances corrosion resistance, hardness, and wear. • Secure fit for bottles of different sizes, preventing drops during cycling. • Easy installation with a 4 mm hex key (not included). • Includes 2 bottle holders and 4 screws. • Compatible with most bikes: road, mountain, hybrid, touring, and electric. • Dimensions: 160mm x 68mm x 96mm. • Net weight: 150 grams (5.3 oz).