Petzl Bike Adapt plate for mounting headlamp on bicycle Clearance

The Petzl Bike Adapt plate for mounting a Petzl headlamp on bicycle  is designed to be attached to the bicycle handlebar or seat post with a diameter between 22 and 30 mm.

You can’t fix any headlamps but only the Petzl Tikkina, Tikka, Bindi, Actik, Actik Core, Tactikka, Tactikka + and Tactikka + RGB models.