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FIRSTGEAR Hyperion Carbon Helmet Black - Extra Large

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SKU: FSG446682

Designed for the ultimate adventure riders, the Hyperion features a ...Read more

Price:
$315.90 $350.99
3150 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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Product Details

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Sizing & Fit
Designed for the ultimate adventure riders, the Hyperion features a full carbon fiber shell with a moisture-wicking, dual-density EPS impact liner.
Designed for the ultimate adventure riders, the Hyperion features a full carbon fiber shell with a moisture-wicking, dual-density EPS impact liner.

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