HJC Atara Cycling Helmet Size:M Quick-drying blended fabric made from

Quick-drying blended fabric made from 65% polyester and 35% cotton

Perhaps the mechanism broke down

Zoom Ace: finely adjustable

Code 623223 article 1693BS is stand with fixed plate and jaw with adjustable nut

HJC Atara Cycling Helmet Size:M Quick-drying blended fabric made fromProduct Description The ATARA benefits from all of the technical development of HJCs high end models such as the IBEX 2. 0 and Furion 2. 0. Aerodynamic and comfortable, the ATARA is your perfect entry into the world of HJC, an everyday helmet with a perfect fit. It is light in weight, easy to adjust to your head size and makes no compromise on security. As with all other HJC helmets, the inner padding is removable and washable, keeping things clean