SIZE CHART
Never buy a used helmet or borrow someone else’s helmet.
Over time the protective foam in helmets will adjust to the contours of a user’s head.
A used or borrowed helmet may not offer as much protection as a new helmet.
HELMET SIZE CONVENTION CHART
The size chart is only for reference. Always try the helmet on and follow this manual’s instructions for a proper fit.
SIZE |
CM |
HAT SIZE |
INCHES
|
2XS
|
51-52 |
6 3/8 - 6 ½ |
20 - 20 ½ |
XS
|
53-54 |
6 5/8 - 6 3/4 |
20 7/8 - 21 ¼ |
S
|
55-56 |
6 7/8 - 7 |
21 5/8 – 2 |
M
|
57-58 |
7 1/8 - 7 1/4 |
22 1/4 - 22 7/8 |
L
|
59-60 |
7 3/8 - 7 1/2 |
23 1/4 - 23 5/8 |
XL
|
61-62 |
7 5/8 - 7 3/4 |
24 - 24 3/8 |
2XL
|
63-64 |
7 7/8 - 8 |
24 3/4 - 25 ¼ |
3XL
|
65-66 |
8 1/8 - 8 1/4 |
25 5/8 – 26 |
4XL |
67-68 |
8 3/8 - 8 1/2 |
26 3/8 - 26 3/4 |
HELMET SIZE CHART
RPHA SERIES, FG-JET, i71, i100, i90, i30, i20, i40, C10, C91, C80, V10, V60, V31, V90
|
|
|
|
SIZE |
CENTIMETER |
HAT SIZE |
INCHES
|
*3XS
|
50-51 |
6 1/4 - 6 3/8 |
19 3/4 - 20 1/8 |
2XS
|
51-52 |
6 3/8 - 6 1/2 |
20 - 20 ½ |
XS
|
53-54 |
6 5/8 - 6 3/4 |
20 7/8 - 21 ¼ |
S
|
55-56 |
6 7/8 - 7 |
21 5/8 – 2 |
M
|
57-58 |
7 1/8 - 7 1/4 |
22 1/4 - 22 7/8 |
L
|
59-60 |
7 3/8 - 7 1/2 |
23 1/4 - 23 5/8 |
XL
|
61-62 |
7 5/8 - 7 3/4 |
24 - 24 3/8 |
2XL
|
63-64 |
7 7/8 - 8 |
24 3/4 - 25 ¼ |
3XL |
65-66 |
8 1/8 - 8 1/4 |
25 5/8 - 26 |
*The C10 is the only helmet available in 3XS (youth size).
**The RPHA 1, RPHA 12, RPHA 71, RPHA 91, RPHA 11, i71 and C10 are the only helmets available in 2XS.