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Discontinued Product!

The Shoei X-12 Kagayama 4 Helmet (Size XS Small)
has been discontinued and will not be returning
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Shoei X-12 Kagayama 4 Helmet (Size XS Small)
  • Shoei X-12 Kagayama 4 Helmet (Size XS Small) - White/Silver/Black
  • Shoei X-12 Kagayama 4 Helmet (Size XS Small) - White/Silver/Blue
  • Shoei X-12 Kagayama 4 Helmet (Size XS Small)

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223 18000


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Video Reviews (3)

Shoei X-12 Kagayama 4 Helmet (Size XS Small) Videos

Shoei X-12 Kagayama 4 Helmet


  • Q.R.S.A. (Quick Release Self-Adjusting) Base Plate System
  • CW-1 Shield
  • AIM+ Shell Construction (Snell M2010-Approved)
  • 5 Shell Sizes
  • Aero Edge 2 Spoiler
  • Ventilation System
  • Dual-Layer EPS Liner
  • 3D Max Dry Interior System
  • E.Q.R.S. (Emergency Quick Release System)
  • Chin Curtain
  • Breath Guard

Note: Due to manufacturer restrictions, Shoei products can only be shipped to addresses within the United States

Shoei Helmets

Size Hat Size Measurement (in)
2XS 6 3/8 - 6 1/2 20 1/8 - 20 1/2
XS 6 5/8 - 6 3/4 20 7/8 - 21 1/4
SM 6 7/8 - 7 21 5/8 - 22
MD 7 1/8 - 7 1/4 22 1/2 - 22 7/8
LG 7 3/8 - 7 1/2 23 1/4 - 23 5/8
XL 7 5/8 - 7 3/4 24 - 24 3/8
2XL 7 7/8 - 8 24 3/4 - 25 1/4
3XL 8 1/8 - 8 1/4 25 5/8 - 26

RF-1100 / X-12 Shell Size Breakdown

Helmet Size Shell EPS Liner
XS (RF1100)
XS (X-12) SM

X-12 Cheekpad Sizing

Size (mm) Defaults
31 optional
33 optional
35 XS - 2XL
37 optional
39 optional
41 optional

RF1200 Cheekpad Sizing

Size (mm) Defaults
31 2XL
35 SM-XL
39 XS
43 optional

RF1100 Cheekpad Sizing

Size (mm) Defaults
31 3XL
33 optional
35 XS - 2XL
37 optional
39 2XS
41 optional

GT-Air Cheekpad Sizing

Size (mm) Defaults
31 2XL
35 SM-XL
39 XS

Qwest Cheekpad Sizing

Size (mm) Defaults
31 optional
33 optional
35 XS - 2XL
37 optional
39 2XS
41 optional

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Click here to see the full Shoei Helmets Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
White/Silver/Black / XS 933978 0112-2505-03 Out of Stock
White/Silver/Blue / XS 933973 0112-2502-03 Out of Stock


Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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Shoei X-12 Kagayama 4 Helmet (Size XS Small) 4.7 5 98 98
Loud but good racing helmet Maybe I've been spoiled by Arai. I've owned a mid-tier Shoei before and thought it was a pretty good and comfortable helmet. I bought this helmet because it was incredibly comfortable. Unfortunately it is very loud. Shoei admits that. Other than that, the helmet is great, pretty standard functionality, quality construction. You can pop-out the padding, it has good aerodynamic qualities, it's fairly light (noticeably lighter than my Arai), great visibility, and has good build quality. I'm just not excited by it because it's a Marquez theme and since the latest MogoGP championship, I can't stand the guy. November 20, 2015
9 plus 3 = 12 yr old motogp wrecker PRO: helmet fits snug in the crotch of a Dainese race suit CON: makes you tend to rub up on RM1's when you're not even a contender October 26, 2015
Excellent helmet Love the Shoei X-twelve! The helmet is stylish, light, had a great vision field and has emergency pull tabs, which is the best feature out there in my opinion. October 26, 2015
Shoie x12 Awesome helmet. Will recommend if your looking for a good helmet at a good price. August 4, 2015
Excellent helmet, Great protection. Raced with Shoei X-12 for 2 years till major crash. Sent into Shoei for evaluation and the said it was toast. The protection of the helmet is out-standing. Fit was overall a little tight (medium), but broke in over time. The ventilation was a little on the short side and the helmet is subject to fogging, beware if you race in the rain. Visibility is adequate, but not up to AGV Corsa which has a little more visibility when in the head down position. Buffeting at high speed is adequate, but tends to lift slightly. The protection of the Shoei X-12 is outstanding and their customer service is excellent. Yes it is an excellent helmet and would recommend it. July 27, 2015
Best helmet Have had this helmet for about a year and best investment I made style is awesome and looks great always getting compliments June 1, 2015
Luxury meets safety It is like being in one world while your body and motorcycle operate in another. The cheek pads break in at 1000 miles, it is a racing helmet, so it is stiff there. I like everything about this helmet. I would be typing all day to explain how awesome. I feel much safer than with my old Fox V3 (Moto) or HJC. This helmet brings out the hooligan. I normally wear an extra large and this fit perfect in XL. I bought the blue mirrored shield to go with it, no chips yet! May 23, 2015
Not worth the money Heavy, loud, fogs up, cheek pads and liner wear out very quickly. I've had much cheaper helmets that have been much better quality. Don't waste your money. April 19, 2015
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Shoei X-12 Kagayama 4 Helmet (Size XS Small)
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RevZilla Store asked: Why did you choose this?
Felipe O: Shoei reputation and design Feb 12, 2015