Ohuhu Bike Helmet Mirror /Bicycle Mirror /Cycling Mirror 360 degree adjustment to perfect the view - available for any view for different person or purpose. Ultralight Weight - Constructed of unbreakable ABS plastic, at only 25g. Tool-free installation - Comes with self-adhesive Velcro tabs, which can be attached to any helmet quickly and easily. This helmet-mounted rear-view mirror is the ultimate, hassle-free solution for cyclists on city streets and on narrow, winding country roads who need an effective way to see what's coming up behind them. ** 30-day Money Back Guarantee & Full 12-month Warranty 360 degree adjustment to perfect the view - available for any view for different person or purpose. Ultralight Weight - Constructed of unbreakable ABS plastic, at only 25g. Tool-free installation - Comes with self-adhesive Velcro tabs, which can be attached to any helmet quickly and easily. This helmet-mounted rear-view mirror is the ultimate, hassle-free solution for cyclists on city streets and on narrow, winding country roads who need an effective way to see what&#039;s coming up behind them.