HJC F100 Adult Street Helmets
The HJC F100 Modular Helmet offers full-face protection and open-face convenience in one aerodynamic design. It features ACS ventilation, moisture-wicking liners, an auto-closing visor, adjustable sun shield, and Smart HJC Bluetooth readiness—perfect for touring or commuting.
- Pinlock Ready HJ-45a (Fits XS, S, M) and HJ-45b Shield (Fits L, XL, XXL)
- HJ-V12 Dark Smoke Sun Visor
- Bluetooth Compatible With Smart HJC (Sold Separately)
- Includes Pinlock Lens, Chin Curtain, And Breath Deflector
- Standards: DOT FMVSS No.218
- Construction: Advanced Polyblackate Shell
- Weight: 3.58 Lbs./1628 Grams (Approx, Based On Size Medium Solid Color)
- Colors: Black, Nardo Grey, Semi-Flat Black, Semi-Flat Metallic Blue, Semi-Flat Titanium, White
- Sizes: X-Small, Small, Medium, Large, X-Large, 2X-Large
- SKU: 0869-0105, 0869-0187, 0869-0135, 0869-0132, 0869-0147, 0869-0109




































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 |