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Thor Quadrant Frequency Helmet
The Quadrant Helmet offers increased performance, reduced weight, and innovative styling. Designed to exceed both DOT and ECE 22.05 standards, the Quadrant is truly a world-class helmet 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 fi t. Next time you ride, don’t settle for anything less then the category leading Quadrant Helmet.
Have a functionality, fit, or otherwise product-specific question about the Thor Quadrant Frequency Helmet? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.
|Size||Inches||Cm||Hat Size (in)|
|XS||20-7/8 - 21-1/4||53-54||6-5/8 - 6-3/4|
|SM||21-5/8 - 22||55-56||6-7/8 - 7|
|MD||22-3/8 - 22-3/8||57-58||7-1/8 - 7-1/4|
|LG||22-3/4 - 23-1/8||59-60||7-3/8 - 7-1/2|
|XL||23-1/2 - 24||61-62||7-5/8 - 7-3/4|
|2XL||24-3/4 - 25-1/8||63-64||7-7/8 - 8-1/8|
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|
|Black / XS||785986||01102764||Out of Stock|
|Black / SM||785987||01102765||Out of Stock|
|Black / MD||785988||01102766||Out of Stock|
|Black / LG||785989||01102767||Out of Stock|
|Black / XL||785990||01102768||Out of Stock|
|Black / 2XL||785991||01102769||Out of Stock|