The Bike Adapt headlamp mount from Petzl is a plate that allows you to attach your Petzl headlamp to your mountain bike handlebar or seat post during your mountain biking outings in the Alps or Jura. The Bike Adapt mount installs on the bike handlebar or seat post with a diameter between 22 and 30 mm. This Bike Adapt headlamp mount is compatible with headlamps TIKKINA, TIKKA, BINDI, ACTIK, ACTIK CORE, TACTIKKA, TACTIKKA +, and TACTIKKA +RGB. No more excuses, ladies and gentlemen, the slopes won't scare you at night.