Mount for Cycling Helmet, Plate for mounting a DUO RL or DUO S headlamp on cycling and mountain biking helmets with thick or thin edges - Petzl Belgique
PETZL Kit belt NAO + Extension cord and belt clip for NAO + headlamp - ExtremeMeters.com
Petzl NAO+ Headlamp (750lm) – MTN SHOP
NAO® RL, Ergonomic, ultra-powerful, and rechargeable headlamp featuring REACTIVE LIGHTING® technology. 1500 lumens - Petzl USA