In motorcycle helmet category, OGK Kabuto is not major compared with ARAI or SHOWEI. But OGK FF5 are highly appriciated among those who wants true specs in race ridings. Especially its comfort is superior and best for like hard&long endurance races. Tsujimura(JSB rider) *sorry the site is japanese only won '06 SUZUKA 8hr wears OGK FF5 and proved its advantages.

Also OGK FF-5 was named the webBikeWorld "2008 Motorcycle Helmet of the Year" and you can find a detailed review about OGK FF5 in there.

Tsujimur(JSB rider) wore OGK FF5 '06 Suzuka 8hr

OGK FF5 Limited Edtions(Racer Replica ver.)