The CatEye Road Bike Mirror is a handy item to have with you when you are biking on the highway. It is important that you keep your eyes on the road, but it is also equally vital that you have one eye on the path behind you. This product gives you that important information about the vehicles coming up from behind you, so that you do not stray into the path of a speeding car or truck. Vary its positioning to conveniently suit your requirement at any given point. At dimensions of 4.5 x 3.2 x 1 in., this mirror is large enough to give you a good view while not obstructing your ride. Weighing just under 0.1 lbs., it is lightweight and an easy addition to your bike. So get the CatEye Road Bike Mirror today and enjoy a safe ride each time!