* Installs under the seat for a low profile, less cluttered appearance* Easy to install and stays secure in all terrain* Clamps to most two-rail bicycle saddles* Use with Cygolite Hypershot and Hotshot tail lights* Can also be used with GoPro compatible interface* Premium plastic for strong durability* Only weighs 23 grams* Less prone to scratching bikes compared to metal mounts* Tail light secures to mount without removing from saddle rails* Designed, engineered, and assembled in the USA