I heard that with a similar helmet from a different brand the chin piece could detach in a crash and would then slice open a cheek...
Even in motorcycle helmets the convertible helmets have a serious risk of opening in a crash, so I'd be hesitant to trust the lightweight version of that. (The speeds might be lower, but at the same time there's far more things for the helmet to snag on.)
I heard that with a similar helmet from a different brand the chin piece could detach in a crash and would then slice open a cheek...
Even in motorcycle helmets the convertible helmets have a serious risk of opening in a crash, so I'd be hesitant to trust the lightweight version of that. (The speeds might be lower, but at the same time there's far more things for the helmet to snag on.)