Skip to Main Content

Extend Your Ride Season! Shop The Collection

Insta360 Sale: Save Up To 25% On 360 Cameras!

Need Tires? Get Up To $70 Back On Bridgestone*

5% Cash Back, 10% Off Select Brands & More Perks With RPM*

F216DFA3-1CFF-4B9B-9A3E-BCB1D82A7E3E@1x Shop Your Ride
Search Suggestions
View All Results
Menu
Free Shipping over $49.99Learn More ZillaCash: $5 for every $100Learn More Customer Service From RidersLearn More
Arai Helmets

Arai Quantum-X Helmet Liner

Item: P390516
4 Read 4 Reviews 5 Q&As Write a Review
How To Size and Buy a Motorcycle Helmet
Arai Quantum-X Helmet Liner
Fullscreen Zoom
$49.61
Rebate Available! View Details

Ways to earn:

Add To Wish List
Military and First Responder Discount
Arai Quantum-X Helmet Liner
(1 item)
Open Box
$42.53
View Item
How To Size and Buy a Motorcycle Helmet

Product Details

Arai Quantum-X Comfort Liner

Replacement Eco Pure liner for the Arai Quantum-X Helmets.

Please see size chart for fitment information as not all liners fit all sizes of helmets.

Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style I/7MM RevZilla Item #1249758 Store Sku MFR. Product #75813/685311151766/820404 AvailabilityOnly 3 Left: Ships within 24 hours
Product Style I/10MM RevZilla Item #1249757 Store Sku438971 MFR. Product #75812/685311151759/820403 AvailabilityOnly 1 Left: Ships within 24 hours
Product Style II/5MM RevZilla Item #1249761 Store Sku MFR. Product #75817/685311151797/820407 AvailabilityOut of Stock
Product Style II/7MM RevZilla Item #1249760 Store Sku MFR. Product #75816/685311151780/820406 AvailabilityOut of Stock
Product Style II/10MM RevZilla Item #1249759 Store Sku MFR. Product #75815/685311151773/820405 AvailabilityOnly 3 Left: Ships within 24 hours
Product Style III/5MM RevZilla Item #1249765 Store Sku MFR. Product #75821/685311151834/820411 AvailabilityIn Stock: Ships within 24 hours
Product Style III/7MM RevZilla Item #1249764 Store Sku MFR. Product #75820/685311151827 AvailabilityOnly 1 Left: Ships within 24 hours
Product Style III/10MM RevZilla Item #1249763 Store Sku MFR. Product #75819/685311151810/820409 AvailabilityOut of Stock
Product Style III/12MM RevZilla Item #1249762 Store Sku MFR. Product #75818/685311151803/820408 AvailabilityIn Stock: Ships within 24 hours
Product Style IV/5MM RevZilla Item #1249768 Store Sku MFR. Product #75825/685311151865/820414 AvailabilityOnly 1 Left: Ships within 24 hours
Product Style IV/7MM RevZilla Item #1249767 Store Sku MFR. Product #75824/685311151858/820413 AvailabilityOnly 3 Left: Ships within 24 hours
Product Style IV/10MM RevZilla Item #1249766 Store Sku MFR. Product #75823/685311151841/820412 AvailabilityIn Stock: Ships within 24 hours
Product Style V/7MM RevZilla Item #1249770 Store Sku MFR. Product #75828/685311151889/820416 AvailabilityIn Stock: Ships within 24 hours
Product Style V/10MM RevZilla Item #1249769 Store Sku MFR. Product #75827/685311151872/820415 AvailabilityIn Stock: Ships within 24 hours

Arai Quantum X / DT-X Helmet Liner Sizing

Interior Liner Thickness for Quantum X / DT-X

Helmet Size  Lining Code 12 mm 10 mm 7 mm 5 mm
XS I Optional Standard
S II Optional Standard Optional
M III Optional  Standard Optional Optional
L 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.

Product Description
Part Numbers
Sizing & Fit
4 Customer Reviews
4 5/5
5 Questions & 2 Answers
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.
Join Now Learn More

Reviews & Questions

$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Learn More
By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.