Product Details
Altitude 2.0 Carbon Fiber R-Series Helmet
Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. At the top of the podium is the 509 Altitude 2.0 Carbon Fiber R-Series Helmet featuring a lighter and stronger hand lay-up carbon composite construction. Race-legal across all forms of ISR racing events, it leads with the highest levels of safety and performance. Race-ready orange and DOT/ECE dual certified, it includes the secure fit of a dual D-ring chin strap.
Features:
- Hand lay-up carbon fiber composite construction
- XS to 4X sizes available in three shells for optimal fit and minimal weight
- Upper vents with on/off shutter closure for airflow control
- Go-Pro mounting capability, improved design
- Perfect fit between helmet eyeport and 509 goggles
- Pro-Series Breathbox for complete protection, removable for optimal air flow
- Race ready Orange to comply with ISR regulations
- DOT/ECE dual certified helmet to comply with ISR regulations
- Dual Ring chin strap closure for secure and racing tight
- 509 helmet bag included
Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
---|---|---|---|---|
Product Style Orange / XS | RevZilla Item #1833729 | Store Sku | MFR. Product #F01009800-110-401 | AvailabilityAvailable: Ships in 3-5 business days |
Product Style Orange / SM | RevZilla Item #1833730 | Store Sku | MFR. Product #F01009800-120-401 | AvailabilityAvailable: Ships in 3-5 business days |
Product Style Orange / MD | RevZilla Item #1833731 | Store Sku | MFR. Product #F01009800-130-401 | AvailabilityAvailable: Ships in 3-5 business days |
Product Style Orange / LG | RevZilla Item #1833732 | Store Sku | MFR. Product #F01009800-140-401 | AvailabilityIn Stock: Ships within 24 hours |
Product Style Orange / XL | RevZilla Item #1833733 | Store Sku | MFR. Product #F01009800-150-401 | AvailabilityAvailable: Ships in 3-5 business days |
Product Style Orange / 2XL | RevZilla Item #1833734 | Store Sku | MFR. Product #F01009800-160-401 | 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


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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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