| Helmet | S(CM) | M(CM) | L(CM) | XL(CM) |
| Gamechanger | 51-55 | 52-58 | 59-62 | |
| Stormchaser | 51-55 | 54-58 | 59-61 | 61-63 |
| Aventor/ Cliffhanger/ MoDrop/ Taipan/ Xoxo | 51-55 | 54-58 | 57-61 | |
| MoTrip/ Gamechanger 2.0/ Powerdome/Airbreaker 2.0 | 51-55 | 54-58 | 57-61 | |
| Viantor/ Macator/ Aduro 2.1 | 51-55 | 52-58 | 58-62 | |
| Air breaker | 51-55 | 52-58 | 59-61 | |
| Montrailer | 55-58 | 58-61 | ||
| Moventor | 52-57 | 57-61 | ||
| Gamechanger TT | 51-55 | 52-58 | 58-61 |
