ABUS Cycling - “How do I change the battery of the integrated LED at my Bicycle helmet ?” Firstly, try to push the LED rearlight from the inside out of its socket
Abus Macator Helmet, Titan | Perennial Cycle
Wondering how to change the battery of your Crazy Safety Animal bicycle helmet? Take a look at this! - YouTube
ABUS Nordic | Urban-I 3.0 MIPS LED-backlights - how to change batteries - YouTube
ABUS Ebike Helmet with Integrated Light, Reflective Rain Cover, Magnetic Buckle - Pedelec 2.0 - YouTube
Review: Abus Urban-I 3.0 MIPS | road.cc
Coming Soon: Abus Quin smart crash alert chips make helmets safer, so you never ride alone - Bikerumor