Founded in 1963, Alpinestars has become a global leader in protective gear for motorcycling and motorsports. Known for innovation, their products combine performance, comfort, and safety. From the track to the trail, Alpinestars’ boots, apparel, and protective equipment are trusted by world-class athletes and everyday riders alike.
Bell - Moto-9 MIPS Louver Helmet
Selection
SM / Black/White
Bell Helmets Adult Size Chart
| Helmet Size | Head (in) | Hat Size (in) |
|---|---|---|
| XS | 20 7/8–21 1/4 | 6 5/8–6 3/4 |
| S | 21 1/4–22 | 6 7/8–7 |
| M | 22–22 7/8 | 7 1/8–7 1/4 |
| L | 22 7/8–23 5/8 | 7 1/4–7 3/8 |
| XL | 23 5/8–24 3/8 | 7 1/2–7 5/8 |
| XXL | 24 3/8–25 1/4 | 7 7/8–8 |
| XXXL | 25 1/4–26 | 8 1/8–8 1/4 |
Wrap a measuring tape around your head, keeping the tape level from front to back. Note the measurement and reference the Size Guide. Note: Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your forehead without hindering your vision. Once you’ve got the right size, you can adjust the fit.