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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
-
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.
Product Description
Part Numbers
Sizing & Fit
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