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HJC RPHA-ST Knuckle Men's Street Helmets
$359.99 to $404.99 $399.99
You save $40.00 (10%)
MC-5F
COLOR:
SIZE:
  • Advanced P.I.M. (Premium Integrated Matrix) Construction: A matrix of Carbon Fiber, Aramid, Fiberglass and Organic Non-Woven Fabric create a remarkably strong yet extremely lightweight shell designed for superior fit and comfort using advanced CAD technology.
  • For the perfect and compact dimensions, RPHA ST comes in 3 different shells: 1st shell for XS-S sizing, 2nd for M-L sizing and 3rd for XL-2XL sizing.
  • “ACS” Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out.
  • Optically-superior Pinlock® 100% Max Vision®-prepared Face Shield: New 3D design provides 95% UV protection, anti-scratch coating and is prepared for the ultimate anti-fog system. Pinlock 100% Max Vision fog-resistant lens included.
  • Innovative Center One-Touch Open/Close Locking System: designed for an extremely secure seal.
  • RapidFire™ II Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operation.
  • One-Touch Integrated SunShield: Smoke-tinted anti-scratch SunShield deploys quickly and easily.
  • SilverCool Plus™ Interior: Premium soft feel with Ginkgo Extract, moisture-wicking and odor-free interior with advanced silver anti-bacterial fabric. Crown and cheek pads are fully removable and washable. All RPHA ST cheek pads are interchangeable throughout all helmet sizes.
  • Glasses Groove can accommodate riders who wear glasses.
  • DOT approved
Product Image
Color
Size
SKU
Availability
Price
MC-4HF
MC-4HF
X-Small
1606-841-SU
Out of Stock
$399.99
MC-4HF
MC-4HF
Small
1606-842-SU
Out of Stock
$399.99
MC-4HF
MC-4HF
Medium
1606-843-SU
Out of Stock
$399.99
MC-4HF
MC-4HF
Large
1606-844-SU
Out of Stock
$399.99
MC-4HF
MC-4HF
X-Large
1606-845-SU
Out of Stock
$399.99
MC-4HF
MC-4HF
2X-Large
1606-846-SU
Out of Stock
$404.99
MC-5F
MC-5F
X-Small
1606-851-SU
Out of Stock
$399.99
MC-5F
MC-5F
Small
1606-852-SU
Out of Stock
$399.99
MC-5F
MC-5F
Medium
1606-853-SU
Out of Stock
$399.99
MC-5F
MC-5F
Large
1606-854-SU
In Stock
$359.99$399.99
MC-5F
MC-5F
X-Large
1606-855-SU
Out of Stock
$399.99
MC-5F
MC-5F
2X-Large
1606-856-SU
Out of Stock
$404.99

Shoei Helmets Mens Size Chart


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 58 - 6 34 20 78 - 21 14
SM 55 - 56 6 78 - 7 21 58 - 22
MD 57 - 58 7 18 - 7 14 22 12 - 22 78
LG 59 - 60 7 38 - 7 12 23 14 - 23 58
XL 61 - 62 7 58 - 7 34 24 - 24 38
2XL 63 - 64 7 78 - 8 24 34 - 25 18
3XL 65 - 66 8 18 - 8 14 25 58 - 26
4XL 67 – 68 8 38 - 8 12 26 38 - 26 3/4
5XL 69 – 70 8 34 - 8 34 27 14 - 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 78 - 7 21 58 - 22
M 57 – 58 7 18 - 7 1/4 22 12 - 22 7/8
L 58 – 59 7 14 - 7 38 22 78 - 23 14
XL 60 – 61 7 12 - 7 58 23 58 - 24
2XL 62 – 63 7 34 - 7 78 2438 - 24 3/4
3XL 64 – 65 8 - 8 1/8 25 14 - 25 58
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 - 718 22 - 2212
M 58 – 59 7 14 - 73/8 22 78 - 231/4
L 60 – 61 7 12 - 7 58 2358 - 24
XL 62 – 63 734 - 2478 2338 - 243/4
2XL 63 – 64 8 - 818 2514 - 255/8
3XL 65 – 66 81/8 - 81/4 2558 - 26
4XL 67 – 68 83/8 - 81/2 2638 - 263/4
5XL 69 – 70 83/4 - 83/4 2714 - 275/8

Shoei Helmets Mens Size Chart


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 – 52 638 - 612 20 - 2012
YOUTH L 53 – 54 658 - 63/4 2078 - 211/4
YOUTH S/M 49 – 50 618 - 614 1914 - 1934
YOUTH L/XL 63/8 - 61/2 638 - 612 20 - 2012

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