vertically oval head = Bell MAG-9 Sena Solid Helmet
https://fortnine.ca/en/bell-mag-9-sena-solid-helmet
I have the same challenge and this helmet works great for me. I removed the shield and just use the Drop-down sunshield.
vertically oval head = Bell MAG-9 Sena Solid Helmet
https://fortnine.ca/en/bell-mag-9-sena-solid-helmet
I have the same challenge and this helmet works great for me. I removed the shield and just use the Drop-down sunshield.