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Thor Youth Quadrant Rockstar Helmet

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Thor Youth Quadrant Rockstar Helmet

Quadrant Youth Helmets offers increased performance, reduced weight, and innovative styling. Designed to exceed both DOT and ECE 22.05 standards, the Quadrant helmet is loaded with features normally found only on more expensive helmets. Featuring a dual-density expanded polystyrene liner, extensive venting, molded roost guard and a plush removable liner, the Quadrant offers comfort and performance in a lightweight package that’s got just the right balance and a great, secure fit. Next time you ride, don’t settle for anything less than the category leading Quadrant Helmet. 


  • Dual density expanded polystyrene liner
  • Extensive venting
  • Molded roost guard
  • Plush removable liner

Thor Youth Helmet Sizing:

Size Head Measurement (in)
SM 19.25 - 19.75
MD 20 - 20.5
LG 20.875 - 21.25
XL 21.625 - 22

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

Click here to see the full Thor Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
White/Black/Yellow / SM 837721 01110840 Out of Stock
White/Black/Yellow / MD 837720 01110841 Out of Stock
White/Black/Yellow / LG 837719 01110842 Out of Stock
White/Black/Yellow / XL 837062 01110843 Out of Stock


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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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Thor Youth Quadrant Rockstar Helmet
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