Your Light Motion Vis 180 Micro Light is sweet and it's probably saved your life more than a few times. Wouldn't it be cool if you could use it on your other bike as well without having to shell out all the dough for another light You can. The Light Motion Vis 180 Micro Rack Mount attaches to the seatpost on your second bike so you can use your Vis 180 on either with the simple flick of the light's quick release. The Vis 180 Micro Rack Mount is extremely easy to install. No tools are necessary. You simply place the mount pad where you want it on the seatpost, wrap the strap around and through the loop, and pull tight. It's just like putting on a belt to hold your pants up. The light itself then attaches to this bracket with an adjustable quick release system so you can take it with you quickly and easily or snap onto another bike and take off. The Light Motion Vis 180 Micro Rack Mount is available in black and works with any size standard seatpost.