The Petzl Helmet Adapt is a self-adhesive plate for mounting various Petzl headlamps. Easy to mount on the helmet while retaining the ability to adjust the angle of the headlamp on the helmet. The Adapt weighs 22 grams and is sold individually. Suitable for the following headlamp models: Tikkina, Tikka, Tikka Core, Actik, Actik Core (2022 and later), Swift RL (2023 and later), Nao RL, Aria 1 RGB, and Aria 2 RGB.