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Helmet shape is Round Oval

Shape: Round Oval

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509 Altitude 2.0 Carbon Fiber Speedsta Helmet

Destroy all forms of dirt with the next-generation comfort and performance of the bestselling 509 Altitude 2.0 Offroad Carbon Fiber Helmet. Hand lay-up carbon fiber composite construction makes it lighter, stronger, and sleeker than anything before it. A larger chinbar intake plus upper exhaust vents keep you cool no matter how heated the session gets. Top of the line in every way, it includes the Fidlock magnetic strap buckle for easy one-handed operation, plus GoPro mounting capability.

Features:

  • Lightweight, durable hand-laid carbon fiber construction
  • 3 shell sizes
  • Adjustable visor with Lifetime Warranty
  • Upper vents for optimal airflow
  • Perfect fit between helmet eyeport and 509 goggles (sold separately)
  • Fidlock chinstrap strap closure for easy in and out
  • Go-Pro mounting capability (mount sold separately)
  • DOT & ECE 22.05 compliant
  • 509 helmet bag included
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Black/White / 4XL RevZilla Item #10457051 Store Sku MFR. Product #F01011900-180-801 AvailabilityOut of Stock
Product Style Black/White / 3XL RevZilla Item #10457052 Store Sku MFR. Product #F01011900-170-801 AvailabilityOut of Stock
Product Style Black/White / 2XL RevZilla Item #10457053 Store Sku MFR. Product #F01011900-160-801 AvailabilityAvailable: Ships in 3-5 business days
Product Style Black/White / XL RevZilla Item #10457054 Store Sku MFR. Product #F01011900-150-801 AvailabilityAvailable: Ships in 3-5 business days
Product Style Black/White / LG RevZilla Item #10457055 Store Sku MFR. Product #F01011900-140-801 AvailabilityAvailable: Ships in 3-5 business days
Product Style Black/White / MD RevZilla Item #10457056 Store Sku MFR. Product #F01011900-130-801 AvailabilityOut of Stock
Product Style Black/White / SM RevZilla Item #10457057 Store Sku MFR. Product #F01011900-120-801 AvailabilityOut of Stock
Product Style Black/White / XS RevZilla Item #10457058 Store Sku MFR. Product #F01011900-110-801 AvailabilityAvailable: Ships in 3-5 business days
Product Style 4XL / Black/Gold RevZilla Item #10457059 Store Sku MFR. Product #F01011900-180-501 AvailabilityOut of Stock
Product Style 3XL / Black/Gold RevZilla Item #10457060 Store Sku MFR. Product #F01011900-170-501 AvailabilityAvailable: Ships in 3-5 business days
Product Style 2XL / Black/Gold RevZilla Item #10457061 Store Sku MFR. Product #F01011900-160-501 AvailabilityIn Stock: Ships within 24 hours
Product Style XL / Black/Gold RevZilla Item #10457062 Store Sku MFR. Product #F01011900-150-501 AvailabilityAvailable: Ships in 3-5 business days
Product Style LG / Black/Gold RevZilla Item #10457063 Store Sku MFR. Product #F01011900-140-501 AvailabilityOut of Stock
Product Style MD / Black/Gold RevZilla Item #10457064 Store Sku MFR. Product #F01011900-130-501 AvailabilityOut of Stock
Product Style SM / Black/Gold RevZilla Item #10457065 Store Sku MFR. Product #F01011900-120-501 AvailabilityOut of Stock
Product Style XS / Black/Gold RevZilla Item #10457066 Store Sku MFR. Product #F01011900-110-501 AvailabilityAvailable: Ships in 3-5 business days
Product Style 4XL / Stealth RevZilla Item #10457067 Store Sku MFR. Product #F01011900-180-003 AvailabilityOut of Stock
Product Style 3XL / Stealth RevZilla Item #10457068 Store Sku MFR. Product #F01011900-170-003 AvailabilityOut of Stock
Product Style 2XL / Stealth RevZilla Item #10457069 Store Sku MFR. Product #F01011900-160-003 AvailabilityAvailable: Ships in 3-5 business days
Product Style XL / Stealth RevZilla Item #10457070 Store Sku MFR. Product #F01011900-150-003 AvailabilityAvailable: Ships in 3-5 business days
Product Style LG / Stealth RevZilla Item #10457071 Store Sku MFR. Product #F01011900-140-003 AvailabilityAvailable: Ships in 3-5 business days
Product Style MD / Stealth RevZilla Item #10457072 Store Sku MFR. Product #F01011900-130-003 AvailabilityOut of Stock
Product Style SM / Stealth RevZilla Item #10457073 Store Sku MFR. Product #F01011900-120-003 AvailabilityOut of Stock
Product Style XS / Stealth RevZilla Item #10457074 Store Sku MFR. Product #F01011900-110-003 AvailabilityAvailable: Ships in 3-5 business days

509 Helmet Sizing

Size Head (cm)
XS 53-54
SM 55-56
MD 57-58
LG 59-60
XL 61-62
2XL 63-64
3XL 64-65
4XL 66-67

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


How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
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