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Arai Signet-Q Comfort Liner

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Arai Signet-Q Comfort Liner

Replacement internal helmet liner for Arai Signet-Q Helmets

See size chart for exact fitment information (not all liners fit all sizes of helmets)

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Arai Signet-Q Comfort Liner 5 5 5 5
Provided a better fit than standard liner. One of the reasons for buying Arai is the ability to get a good and comfortable fit. Moving to the thicker liner allowed for a better fit while still having the Signet-Q long shape. July 14, 2014
I had no idea When I bought my Arai Signet-Q, it had a great, snug fit and didn't smell weird at all. After about 17,000 miles of riding, I decided it could a freshening, so I bought a replacement liner. It feels like a snug, new lid now, and doesn't smell weird anymore. Yes, I'm aware that they're washable, but that never brought back the springiness that it originally offered. Treat yourself, but a new liner and give your skull the soft embrace it deserves. Or don't. I'm not the boss of you. May 5, 2014
great product! Fits my Arai signet Q, makes and feels a big difference! Glad i made this purchase! Very satisfied! February 5, 2013
Easy way to slightly snug up the fit of your Signet-Q helmet. I wanted to make my Signet-Q (XL) helmet fit a bit more snugly, so I ordered this thicker comfort liner. Shipping was amazingly fast, and I got the new liner installed in seconds. Definitely helps tighten up the fit, not a huge difference but worth doing. August 6, 2012
tightened up my helmet perfectly I have a 56.5cm head and a SMALL Signet-Q and had trouble with the breath deflector ending up on or under my nose sometimes at higher speeds and winds. After a call and a chat with Revzilla, I ordered the 10mm liner. This tightened the fit and lifted the helmet just a bit more on my head. Now, the overall fit is much better, and the deflector at high speeds rides just over my nose. It's also still very comfortable for long touring rides. March 6, 2012
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Have a functionality, fit, or otherwise product-specific question about the Arai Signet-Q Comfort Liner? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Arai Signet-Q Comfort Liner
Already Asked: 2 Questions, 3 Answers
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RevZilla Store asked: Why did you choose this?
Michael S: My old liner smells like balls, and not in the good way, if there is such a thing. Apr 18, 2014
Benjamin R asked: If I go from the 7mm liner to the 5mm liner, where does the 2mm come out of? Top?, sides?, front-back? Apr 23, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Kent B: I went from the standard liner to a thicker 10 mm one to tighten up the fit a bit, so I can't answer your specific question with 100% confidence, but I think the thinness of the liner is equally distributed throughout the padding. In other words, if you go from a 7 mm liner to a 5 mm liner, all of the pads (top, sides, front, back) are 2 mm thinner than the 7 mm liner's pads.

I doubt you will notice a huge difference in fit going from a 7 mm liner to a 5 mm, but it may be enough to make the helmet more comfortable. Hope this helps!
Apr 23, 2014
Reply to Kent Good answer? Yes (0) No (0)
Steven H: Comparing the 10mm and the 7mm I would say all over. I needed more space front-to-back since the aspect ratio of my head is even narrower than the narrow Arai. Remember, you can leave [or remove] the inserts in the sides. With the 7mm I left them in. Apr 23, 2014
Reply to Steven Good answer? Yes (0) No (0)

Arai Signet-Q Comfort Liner Sizing:

Helmet Size  Lining Code 12 mm 10 mm 7 mm 5 mm
XS I        Optional Standard Optional
SM II Optional Standard Optional
MD III Optional Standard Optional Optional
LG III Optional Optional Standard Optional
XL IV Optional Standard Optional
2XL V Optional Standard

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

Click here to see the full Arai Helmets Size Chart

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Product Style RevZilla Item # Manufacturer Product # Availability
II/5MM 800409 5544 In Stock: Ships within 24 hours
II/7MM 800407 5543 In Stock: Usually ships in 1-2 business days
II/10MM 800406 5542 In Stock: Usually ships in 1-2 business days
III/5MM 800408 5548 In Stock: Usually ships in 1-2 business days
III/7MM 800412 5547 In Stock: Usually ships in 1-2 business days
III/10MM 800411 5546 In Stock: Usually ships in 1-2 business days
III/12MM 800410 5545 In Stock: Usually ships in 1-2 business days
IV/5MM 800416 5552 In Stock: Usually ships in 1-2 business days
IV/7MM 800415 5551 In Stock: Ships within 24 hours
IV/10MM 800414 5550 In Stock: Usually ships in 1-2 business days
V/5MM 800420 5556 In Stock: Ships within 24 hours
V/7MM 800419 5555 In Stock: Usually ships in 1-2 business days
V/10MM 800418 5554 In Stock: Usually ships in 1-2 business days