Enhance your cycling experience with this high-quality Mechanical Bicycle Speedometer, expertly crafted from durable aluminum alloy for long-lasting performance. Designed specifically for 26, 27.5, 28, and 29-inch bikes, this speedometer provides accurate and reliable speed measurements, making it an essential accessory for every cyclist. Key Features: · Durable Aluminum Alloy Construction: Built to withstand outdoor conditions and daily use, ensuring excellent durability and a long service life. · Compatible with Multiple Wheel Sizes: Designed to fit 26, 27.5, 28, and 29-inch bicycles, making it versatile for a wide range of bike models. Please verify your bike size before purchase for optimal performance. · Pure Mechanical Operation: This purely mechanical bike computer guarantees accurate speed data without relying on batteries or electronics, offering reliability and ease of use. · Complete Installation Accessories: Comes with all necessary components for straightforward, tool-free installation, allowing you to set it up quickly and effortlessly by yourself. · Compact and Convenient Size: Measuring approximately 11 x 8 x 8 cm (4.3 x 3.1 x 3.1 inches), this speedometer is lightweight and unobtrusive, blending seamlessly with your bike’s design. · Essential Cycling Instrument: A must-have for monitoring your speed during rides, helping you track your performance and enjoy every journey with confidence. Specifications: · Material: Aluminum Alloy · Size: Approximately 11 x 8 x 8 cm (4.3 x 3.1 x 3.1 inches) · Application: Suitable for 26, 27.5, 28, and 29-inch bicycles Package Includes: · 1 x Mechanical Bicycle Speedometer with installation accessories This mechanical speedometer combines precise functionality with durable construction, making it an ideal addition to your bicycle or tricycle. Its easy installation, compatibility with popular bike sizes, and reliable performance ensure you stay informed about your cycling speed on every ride.