More Visible and More Safe - Rise the height of your compatible rearview radar from the seatpost to the seat rail with this saddle rail mount, improving visibility and radar detection for a safer riding experience | Versatile Compatibility - This bicycle saddle rail mount kit is designed for working seamlessly with a range of Garmin radar tail lights including Varia RTL510, Varia RTL515, and Varia RVR315, as well as Bryton and Magene radars | Secure All-Metal Bracket - Our mount features a robust seat rail clamp holder and bolt with blue Locktite to firmly secure your rear radar gear device in place. This provides a stable and solid connection, even on gravel or rough roads, making it a great alternative to rubber bands or o-ring seat post mounts | Fit Various Seat Rails - This mount is compatible with most standard alloy saddle rails or carbon seat rails, making it suitable for gravel bikes, road bikes, MTBs, mountain bikes, and eBikes. With this mount, you can easily attach your radar tail light or bike tail light, enhancing visibility and safety on roads | 12-Month Warranty- We back our product with a 12-month warranty, providing free replacement or a full refund for this bike saddle mount for garmin varia. Customer satisfaction is our top priority, so please feel free to contact us if you experience any issues