Bicycle Handlebar Rearview Mirror – See not just where you’re going but where you’ve been with this Bicycle Handlebar Rearview Mirror. This rearview mirror installs easily on your handlebars and will provide you with superior rear-vision while cycling. The large, convex mirror gives you a broader view than the smaller, standard mirrors. The reflective safety mirror adjusts to any angle for optimum viewing. Durable and shatterproof..