VüBar is strong, lightweight and safe-to-use. Upon impact, the VüBar break-away mirror connection allows the mirror to detach, preventing breakage. The 45 degree "swivel & tilt" design allows VüBar to be fine-tuned for your personal preference. To install, simply remove the end plug from your left handlebar and insert VüBar in its place. To hide VüBar , flip the top portion of the mirror back and push VüBar into the handlebar. To use VüBar, simply pull it out and flip up the top mirror.