Cube Acid Helmet Mount Slide-LockEnsuring you are always seen in the lowest of lights, this handy helmet clip allows you to mount Cube's Pro40 or HPA850 lights safely and securely to your head for maximum riding visibility. Part of Cube's ACID range of attachment devices, this discrete clip loops through the air holes on your helmet for a sturdy attachment and fixes to your light using the slide-lock mechanism along the top. An excellent addition to your riding setup, this clip is a genuine lifesaver. Features: Material: Plastic Dimensions: 42x66x31mm Weight: 41gBuy Cube Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.