Features: Wide Compatibility - for most bike saddle with 2 stick bow. for Gar-min Varia RVR315 Rearview Ra-dar / RTL515 Rearview Ra-dar taillight / RTL510 Rearview Ra-dar taillight More Safe - You can use it to mount your bike tail light or ra-dar tail light at the back of the bike saddle. It is more safe than fixing the ra-dar taillight on the bicycle seatpost Nylon Maerial - Brand new and high quality. Made of premium nylon, strong but not harmful to your bicycle and taillight Easy to Install - Coming with tool, simple to install and remove. Mulitifuction Holder - The for seat bow clip designed with universal interface, it can be used separately as a hero action camera holder, hang your action camera at the back of the saddle and enjoy videos from different views Specifications: Material: Nylon Length: 92mm Package Includes: 1 x Saddle Bow clip 1x Gar-min Varia Rearview Ra-da taillight Holder 1x Tool. note: Gar-min Ra-dar taillight not included Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!