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509 Altitude 2.0 Helmet
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Lightweight design, performance-infused style, and gopro® mounting capability.

SHELL
  • Thermoplastic poly alloy outer shell
WEIGHT
  • Composite as low as 1,200g
  • Carbon fiber as low as 1,150g
FEATURES
  • Strong, lightweight construction of carbon fiber or composite
  • Superior fit for all-day comfort
  • Integrated Pro Series breath box provides excellent ventilation and air flow
  • One-piece eyeport creates draft-free seal with 509 goggles
  • Magnetic Fidlock® chin-strap technology and integrated GOPRO® mount
  • DOT- and ECE 22.05-approved


 Size Chart 


Qty:
509 Altitude 2.0 Helmet - Red - XS
283305401

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - S
283305402

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - M
283305403

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - L
283305406

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - XL
283305409

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - 2XL
283305412

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - 3XL
283305414

$329.95
Qty:
509 Altitude 2.0 Helmet - Red - 4XL
283305415

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - XS
283305101

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - S
283305102

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - M
283305103

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - L
283305106

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - XL
283305109

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - 2XL
283305112

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - 3XL
283305114

$329.95
Qty:
509 Altitude 2.0 Helmet - Radiant Green - 4XL
283305115

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - XS
286146901

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - S
286146902

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - M
286146903

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - L
286146906

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - XL
286146909

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - 2XL
286146912

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - 3XL
286146914

$329.95
Qty:
509 Altitude 2.0 Helmet - Black - 4XL
286146915

$329.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - XS
286147301

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - S
286147302

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - M
286147303

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - L
286147306

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - XL
286147309

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - 2XL
286147312

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - 3XL
286147314

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - Black/Lime - 4XL
286147315

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - XS
286453801

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - S
286453802

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - M
286453803

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - L
286453806

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - XL
286453809

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - 2XL
286453812

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - 3XL
286453814

$429.95
Qty:
509 Altitude 2.0 Helmet - Carbon Fiber - White - 4XL
286453815

$429.95
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