- Designed for bicycles lacking an attached water bottle holder, this versatile adapter provides a practical solution for hydration on the go. - Adjustable size accommodates cups and bottles of various dimensions, ensuring you can carry your preferred beverage securely. Crafted with excellent workmanship, it is lightweight yet durable for everyday use. - Compatible with handlebars and seat posts ranging from 30.9 mm to 31.8 mm in diameter, making it suitable for diverse bike types, including road bikes and folding bikes. - Constructed from high-quality aluminum alloy and plastic, this bottle holder adapter features a CNC texture, providing robust strength and long-lasting durability. Use Cases: - Perfect for commuting cyclists who need easy access to water during their ride. - Ideal for recreational bikers who enjoy long-distance trips and want to stay hydrated without the hassle of bulky water bottles. - Great for folding bike enthusiasts who require a compact and efficient solution for carrying drinks. With its solid construction and thoughtful design, this bottle holder adapter ensures you can stay refreshed during all your cycling adventures.