Best 3XL Motorcycle Helmets Schuberth C5 – Modular Helmet. Price: $749; ... There is a pretty good selection of helmets in size 3XL, but things do drop off rapidly for those needing 4 or 5XL. Here is ...

I usually take a size large helmet and I have about a 60.5 cm or roughly a 23-1/2″ head with a round shape. AFX told me that the size 3XL Magnus is the most popular and that even motorcyclists who ...