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509

509 Altitude Triangle Helmet

Item: P345717
$160.97 $167.97
$229.95 $239.95
Save up to Save $71.98 30%
Price depends on product options. Make a selection to update price.
Rebate Available! View Details
Please select a Color & Size to view availability.

Product Details

509 Altitude Triangle Helmet

The 509 Altitude Helmet is a sleek yet aggressive helmet.

Features:

  • Thermoplastic poly alloy outer shell
  • Intermediate oval
  • Innovative dual density interlocking EPS foam liner
  • Front chin protection from specially designed expanded polyurethane chin insert
  • 8 intake/exhaust vent ports
  • Cold weather breath box included
  • 4 shell sizes
  • Removable and washable premium liner
  • Neck brace ready
  • Class-leading eyeport opening dimensions for optimal peripheral vision
  • Perfect 509 goggle fit
  • One-piece eyeport trim
  • Integrated front mouth vent
  • Innovative universal camera mount that attaches to top visor in seconds
  • Meets or exceeds DOT and ECE safety certification standards
  • Helmets sized 2XL and larger use 509 XL goggles
Product Style RevZilla Item # MFR. Product # Availability
Product Style XS / Matte Blue RevZilla Item #1146764 MFR. Product #509-HEL-ABT-XS AvailabilityAvailable: Requires 4-6 business days of lead time prior to shipment
Product Style SM / Matte Blue RevZilla Item #1146765 MFR. Product #509-HEL-ABT-SM AvailabilityOut of Stock
Product Style LG / Matte Blue RevZilla Item #1146767 MFR. Product #509-HEL-ABT-LG AvailabilityOut of Stock
Product Style 2XL / Matte Blue RevZilla Item #1146769 MFR. Product #509-HEL-ABT-2XL AvailabilityAvailable: Requires 4-6 business days of lead time prior to shipment
Product Style 3XL / Matte Blue RevZilla Item #1146770 MFR. Product #509-HEL-ABT-3XL AvailabilityOut of Stock
Product Style 4XL / Matte Blue RevZilla Item #1146771 MFR. Product #509-HEL-ABT-4XL AvailabilityOut of Stock

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
2 Customer Reviews
2 5/5
4 Questions & 3 Answers

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