Opis:
HOW TO REPLACE THE CHINSTRAP AND HEADBAND ON A VERTEX AND STRATO HELMET
Petzl's VERTEX and STRATO helmets come with modular and replaceable components, which means the end user can replace both the headband and the chinstrap on their own. Let's start with the replacement protocol for the headband. Keith Luscinski with the Petzl Technical Institute, will cover the proper procedure for replacing the headband and DUAL chinstrap on your own helmets.