509 Altitude Carbon Helmet
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  • 509 Altitude Carbon Helmet - Black
  • 509 Altitude Carbon Helmet - Black
  • 509 Altitude Carbon Helmet - Matte Black
  • 509 Altitude Carbon Helmet - Matte Black
  • 509 Altitude Carbon Helmet - Red
  • 509 Altitude Carbon Helmet - Red
  • 509 Altitude Carbon Helmet - Hi-Viz
  • 509 Altitude Carbon Helmet - Hi-Viz
  • 509 Altitude Carbon Helmet - Matte Lime
  • 509 Altitude Carbon Helmet - Matte Lime
  • 509 Altitude Carbon Helmet - Matte Orange
  • 509 Altitude Carbon Helmet - Matte Orange

Please select a Color and Size to check availability, or to add this item to your Shopping Cart or Wish List.

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Black
Matte Black
Red
11976 30360
Matte Orange

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Size Chart
Price
$399.95

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509 Altitude Carbon Helmet Videos

509 Altitude Carbon Fiber Helmet

The 509 Altitude Helmet is a sleek yet aggressive helmet, now crafted from carbon fiber. It features an innovative dual density, interlocking EPS foam liner that provides top crash protection in the event of an accident. The front chin area of the helmet is protected by a specially designed expanded polyurethane chin insert that provides front impact protection. The outer shell is made of specially designed carbon fiber for maximum shell strength with minimal weight.

Features:

  • Carbon fiber outer shell for max strength with minimal weight
  • Innovative dual density interlocking EPS foam liner
  • Front chin protection from specially designed expanded polyurethane chin insert
  • Innovative aerodynamic channels across the entire helmet direct air flow into 6 integrated vent scoops
  • 8 intake/exhaust vent ports
  • Cold weather breath box included
  • Lock-top center mount for the aerodynamic visor
  • 3 shell sizes
  • Premium removable liner
  • Neck brace ready
  • Eyeport fits 509 Sinister X5 and Aviator goggles
  • Integrated front mouth vent
  • Innovative universal camera mount that attaches to top visor in seconds
  • Fidlock magnetic technology easy open strap clasp
  • Meets or exceeds DOT and ECE safety certification standards
  • Helmets sized 2XL and larger use 509 XL goggles

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 Style RevZilla Item # Manufacturer Product # Availability
Black / 2XL 1142245 509HELACG2XL Out of Stock
Black / 3XL 1142246 509HELACG3XL Out of Stock
Black / 4XL 1142247 509HELACG4XL Out of Stock
Black / LG 1142243 509HELACGLG Only 1 Left: Ships within 24 hours
Black / MD 1142242 509HELACGMD Out of Stock
Black / SM 1142241 509HELACGSM Out of Stock
Black / XL 1142244 509HELACGXL Out of Stock
Black / XS 1142240 509HELACGXS Out of Stock
Matte Black / 2XL 1201209 509HELACG82XL Available: Requires 4-6 business days lead time prior to shipment
Matte Black / 3XL 1201210 509HELACG83XL Available: Requires 4-6 business days lead time prior to shipment
Matte Black / 4XL 1201211 509HELACG84XL Available: Requires 4-6 business days lead time prior to shipment
Matte Black / LG 1201212 509HELACG8LG Available: Requires 4-6 business days lead time prior to shipment
Matte Black / MD 1201213 509HELACG8MD Available: Requires 4-6 business days lead time prior to shipment
Matte Black / SM 1201214 509HELACG8SM Available: Requires 4-6 business days lead time prior to shipment
Matte Black / XL 1201215 509HELACG8XL Available: Requires 4-6 business days lead time prior to shipment
Matte Black / XS 1201216 509HELACG8XS Available: Requires 4-6 business days lead time prior to shipment
Red / 2XL 1201225 509HELACR2XL Out of Stock: Expected to ship mid-November
Red / 3XL 1201226 509HELACR3XL Available: Requires 4-6 business days lead time prior to shipment
Red / 4XL 1201227 509HELACR4XL Out of Stock: Expected to ship mid-November
Red / LG 1201228 509HELACRLG Available: Requires 4-6 business days lead time prior to shipment
Red / MD 1201229 509HELACRMD Available: Requires 4-6 business days lead time prior to shipment
Red / SM 1201230 509HELACRSM Available: Requires 4-6 business days lead time prior to shipment
Red / XL 1201231 509HELACRXL Out of Stock: Expected to ship mid-November
Red / XS 1201232 509HELACRXS Out of Stock: Expected to ship mid-November
Hi-Viz / 2XL 1201217 509HELACH2XL Out of Stock: Expected to ship mid-November
Hi-Viz / 3XL 1201218 509HELACH3XL Available: Requires 4-6 business days lead time prior to shipment
Hi-Viz / 4XL 1201219 509HELACH4XL Available: Requires 4-6 business days lead time prior to shipment
Hi-Viz / LG 1201220 509HELACHLG Out of Stock: Expected to ship mid-November
Hi-Viz / MD 1201221 509HELACHMD Out of Stock: Expected to ship mid-November
Hi-Viz / SM 1201222 509HELACHSM Out of Stock: Expected to ship mid-November
Hi-Viz / XL 1201223 509HELACHXL Out of Stock: Expected to ship mid-November
Hi-Viz / XS 1201224 509HELACHXS Out of Stock: Expected to ship mid-November
Matte Lime / 2XL 1146737 509HELACL2XL Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / 3XL 1146738 509HELACL3XL Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / 4XL 1146739 509HELACL4XL Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / LG 1146735 509HELACLLG Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / MD 1146734 509HELACLMD Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / SM 1146733 509HELACLSM Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / XL 1146736 509HELACLXL Available: Requires 4-6 business days lead time prior to shipment
Matte Lime / XS 1146732 509HELACLXS Available: Requires 4-6 business days lead time prior to shipment
Matte Orange / 2XL 1146745 509HELACO2XL Out of Stock
Matte Orange / 3XL 1146746 509HELACO3XL Out of Stock
Matte Orange / 4XL 1146747 509HELACO4XL Out of Stock
Matte Orange / LG 1146743 509HELACOLG Available: Requires 4-6 business days lead time prior to shipment
Matte Orange / MD 1146742 509HELACOMD Available: Requires 4-6 business days lead time prior to shipment
Matte Orange / SM 1146741 509HELACOSM Available: Requires 4-6 business days lead time prior to shipment
Matte Orange / XL 1146744 509HELACOXL Out of Stock
Matte Orange / XS 1146740 509HELACOXS Available: Requires 4-6 business days lead time prior to shipment

Shipping

Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.

Returns

If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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Browse 3 questions Browse 3 questions
Is this the current model? Does it come with the fidlock chin strap? I do not see that it says and I believe the model number is not the same as the curent model listed on 509's site. Thanks
John H on Jan 16, 2017