The Facts About Motocross Helmet Nz Revealed Back of Head: You shouldn't be able to slide more than one finger in between the nape strap and your neck. Below's a little trick we like: as soon as the strap is secured, attempt rolling the motorcross helmet ahead off your head. https://rylanrrnga.wikinstructions.com/1004928/not_known_facts_about_motocross_helmet_nz