Feature:1. ACCURATE COMPATIBILITY: Designed specifically for Bryton radar tail lights, this bike tail light bracket securely fits seatpost sizes of 31.6mm, 30.8mm, and 27.2mm, ensuring a stable and accurate installation.2. DURABLE CONSTRUCTION: Crafted from nylon materials, this bike tail light bracket is built to last, providing long lasting performance and reliability throughout its extended lifespan.3. EASY INSTALLATION: With its user friendly design, this seatpost mount is easy to install on your bike, allowing you to attach the tail light quickly and effortlessly for enhanced safety during your rides.4. LIGHTWEIGHT AND COMPACT: The lightweight design of this bracket ensures that it does not add unnecessary bulk to your bike, providing a seamless and unobtrusive fit that does not compromise your cycling experience.5. VERSATILE USAGE: Compatible with a wide range of bike models, this tail light bracket can be used for road bikes, mountain bikes, and other types of bikes, making it a versatile accessory for cyclists of all levels.Specification:Item Type: Bike tail light bracketMaterial: NylonWeight: Approx. 29g / 1oz.Package List:1 x Bracket2 x Spacer1 x Wrench1 x Screw