Durable aluminum alloy Crafted from a robust aluminum alloy to withstand outdoor cycling and perform reliably under varied weather conditions for longlasting use. Precise fit with 3D printing Advanced 3D printing yields a precise fit that integrates seamlessly with your device, enhancing functionality during rides. Lightweight design Engineered to minimize added weight, improving performance and handling without compromising bike stability. Secure compatibility with 540/840 models Specifically designed for 540/840 models, ensuring a secure attachment and reliable performance for cyclists. Use scenarios Long road rides or endurance events where a stable, easytoread device mount is essential for navigation and data display. Mountain biking or gravel adventures where vibrations and rough terrain require a secure, vibrationresistant attachment. Training sessions or daily commuting that benefit from quick access to the device and maintained stability during rapid maneuvers.