Bell Helmets size charts
How to measure:
Measure your head circumference horizontally, about 1 cm above the eyebrows.
- Place the tape horizontally around your head
- About 1 cm above the eyebrows and above the ears
- Keep the tape snug, do not pull it tight
Bell Helmets Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
Bell 2Twenty Size chart
| Size | Head circumference (cm) |
|---|---|
| S/M | 53-60 |
| M/L | 56-63 |
Bell 2Twenty Youth Size chart
| Size | Head circumference (cm) |
|---|---|
| 47-54 cm | 47-54 |
| 50-57 cm | 50-57 |
Bell 3QTR-Air Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 51-55 |
| M | 55-57 |
| L | 57-60 |
| XL | 60-63 |
Bell 4Forty Air Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
| XL | 61-65 |
Bell 5Fifty Spherical Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
Bell Full-10 Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| XS | 51-53 |
| S | 53-55 |
| M | 55-57 |
| L | 57-59 |
| XL | 59-61 |
| XXL | 61-63 |
Bell Full-Air Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 51-55 |
| M | 55-57 |
| L | 57-60 |
| XL | 60-63 |
Bell Nomad 2 Size chart
| Size | Head circumference (cm) |
|---|---|
| S/M | 52-57 |
| M/L | 53-60 |
Bell Sanction 2 Size chart
| Size | Head circumference (cm) |
|---|---|
| XXS | 48-51 |
| XS/S | 51-55 |
| M | 55-57 |
| L | 57-59 |
| XL | 59-61 |
Bell Sanction 2 DLX Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| XS/S | 51-55 |
| M | 55-57 |
| L | 57-59 |
| XL | 59-61 |
Bell Sixer Mips Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
| XL | 61-65 |
Bell Span Size chart
| Size | Head circumference (cm) |
|---|---|
| XS | 49-53 |
| S | 51-55 |
Bell Super Air R Spherical Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
Bell Super Air Spherical Size chart
| Size | Head circumference (cm) |
|---|---|
| S | 52-56 |
| M | 55-59 |
| L | 58-62 |
The figures come from the manufacturers. Between two sizes? Take the larger one if in doubt, or drop us a line: we have most of the parts here and will check for you. You are just as welcome to come by the shop and try them on.