HJC C10 Aspa Adult Street Helmets
The HJC C10 ASPA delivers enhanced airflow, a wider field of vision, and Bluetooth-ready design in a lightweight, everyday full-face helmet.
- New, wind tunnel tested rear spoiler greatly reduces air drag
- Four shell sizes
- Interchangeable cheek pads
- Removable, washable interior
- Universal clamp space makes for easy installation of any Bluetooth device
- Pinlock HJ-34P Lens Insert (DKS463)
- Standards: DOT Approved
- Colors: MC-1, MC-2, MC-5SF, MC-28SF, MC-4SF
- Sizes: X-Small, Small, Medium, Large, X-Large, 2X-Large
- SKU: 0825-1401, 0825-1402, 0825-1405, 0825-1428, 0825-1434






























New or Brand New - Brand new item in original packaging (original manufacturer's warranty may apply).
Refurbished - Professionally restored and in perfect working condition. Original packaging may be missing or slightly damaged.
Used - Item has seen limited use but remains in good working condition. May show some limited signs of wear with small scratches or cosmetic blemishes. May arrive with damaged packaging or be repackaged.
Refurbished, Without Tags - Same as refurbished. Item may arrive with mising labels or tags.
Refurbished, Last Call - Same as refurbished. Last call or closeout item.
HOW TO DETERMINE YOUR HELMET SIZE
(H) HEAD
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
---|---|---|---|
2XS | 51 - 52 | 6 3/8 - 6 1/2 | 20 1/8 - 20 1/2 |
XS | 53 - 54 | 6 5⁄8 - 6 3⁄4 | 20 7⁄8 - 21 1⁄4 |
SM | 55 - 56 | 6 7⁄8 - 7 | 21 5⁄8 - 22 |
MD | 57 - 58 | 7 1⁄8 - 7 1⁄4 | 22 1⁄2 - 22 7⁄8 |
LG | 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 1⁄8 |
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 |
5XL | 69 – 70 | 8 3⁄4 - 8 3⁄4 | 27 1⁄4 - 27 5/8 |
SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
---|---|---|---|
XS | 54 – 55 | 6 3/4 - 6 7/8 | 21 1/4 - 21 5/8 |
S | 55 – 56 | 6 7⁄8 - 7 | 21 5⁄8 - 22 |
M | 57 – 58 | 7 1⁄8 - 7 1/4 | 22 1⁄2 - 22 7/8 |
L | 58 – 59 | 7 1⁄4 - 7 3⁄8 | 22 7⁄8 - 23 1⁄4 |
XL | 60 – 61 | 7 1⁄2 - 7 5⁄8 | 23 5⁄8 - 24 |
2XL | 62 – 63 | 7 3⁄4 - 7 7⁄8 | 243⁄8 - 24 3/4 |
3XL | 64 – 65 | 8 - 8 1/8 | 25 1⁄4 - 25 5⁄8 |
SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
---|---|---|---|
XS | 54 – 55 | 6 3/4 - 6 7/8 | 21 1/4 - 21 5/8 |
S | 56 – 57 | 7 - 71⁄8 | 22 - 221⁄2 |
M | 58 – 59 | 7 1⁄4 - 73/8 | 22 7⁄8 - 231/4 |
L | 60 – 61 | 7 1⁄2 - 7 5⁄8 | 235⁄8 - 24 |
XL | 62 – 63 | 73⁄4 - 247⁄8 | 233⁄8 - 243/4 |
2XL | 63 – 64 | 8 - 81⁄8 | 251⁄4 - 255/8 |
3XL | 65 – 66 | 81/8 - 81/4 | 255⁄8 - 26 |
4XL | 67 – 68 | 83/8 - 81/2 | 263⁄8 - 263/4 |
5XL | 69 – 70 | 83/4 - 83/4 | 271⁄4 - 275/8 |
HOW TO DETERMINE YOUR HELMET SIZE
(H) HEAD
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
---|---|---|---|
YOUTH S | 49 – 50 | 61/8 - 61/4 | 191/4 - 193/4 |
YOUTH M | 51 – 52 | 63⁄8 - 61⁄2 | 20 - 201⁄2 |
YOUTH L | 53 – 54 | 65⁄8 - 63/4 | 207⁄8 - 211/4 |
YOUTH S/M | 49 – 50 | 61⁄8 - 61⁄4 | 191⁄4 - 193⁄4 |
YOUTH L/XL | 63/8 - 61/2 | 63⁄8 - 61⁄2 | 20 - 201⁄2 |