No space on the handlebars? Or is the handlebar (e.g., aero model) unsuitable for standard mounts? No problem. With a special adapter and elastic strap, the popular IXON models Core, Rock, and Space can now be mounted hanging under the handlebars, making them a perfect fit for all sporty bikes. Adapter for IXON Core battery-powered headlights for hanging installation on handlebar mounts. Delivery includes: IXON adapter with adhesive rubber to prevent abrasion and an O-ring to secure the headlight to the IXON adapter.