Bell Helmet Super DH Sizing Chart
| SIZE | CM | IN | HAT SIZE |
| S | 52-56 | 20 1/2" – 22" | 6 1/2" – 7" |
| M | 55-59 | 21 5/8" – 23 1/4" | 6 7/8" – 7 3/8" |
| L | 58-62 | 22 3/4" – 24 3/8" | 7 1/4" – 7 3/4" |
| SIZE | CM | IN | HAT SIZE |
| S | 52-56 | 20 1/2" – 22" | 6 1/2" – 7" |
| M | 55-59 | 21 5/8" – 23 1/4" | 6 7/8" – 7 3/8" |
| L | 58-62 | 22 3/4" – 24 3/8" | 7 1/4" – 7 3/4" |