You're going to LOVE the fit. Try it on and experience our perfect fit. If you don't love it, send it back in new and unused condition within 30 days for an exchange or full refund*. Risk free.
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The 509 Tactical 2.0 Helmet with Fidlock® magnetic strap buckle is here, further improving upon one of our all-time bestselling helmets. Advances in comfort and performance include Venturi Venting that pulls moist air out without letting cold air in, plus removable VEES eyeport protection for truly seamless coverage with 509 goggles. All this plus the lightweight feel, precise fit, and high-end performance that makes the Tactical 2.0 an industry-leader for uncompromised protection at an affordable price.
Key Features
- Polycarbonate blend Shell
- Venturi Venting system passively wicks sweat and moisture away → Learn More
- Additional vents with vent plugs installed for cold weather use
- On/Off venting shutter inside helmet
- Adjustable polycarbonate visor with Lifetime Warranty
- Fidlock® The Fidlock System is a cutting-edge magnetic chinstrap buckle used in motorsport helmets ensuring quick, secure, closures with one hand and is DOT and ECE compliant.chinstrap strap closure for easy in and out
- Removable Integrated VEES device for full coverage eyeport protection (must purchase Liner for Tactical 2.0 Helmet to replace VEES system)
- Moisture wicking removable Liner & Cheek pads for custom fit adjustments and easy to wash → Shop Cheek Pad for Tactical 2.0 Helmets
- Removable Arctic Chin curtain
- Universal camera mount capable
- WARNING for California Residents
Specs
- Helmet Certification: DOT & ECE 22.05
- Starting Weight: 1300 grams
- Best Head Shape: Intermediate oval fit
- Size Range: XS - 4X
- Shell Breaks:
Small Shell - YSM, YMD, YLG, XS
Medium Shell - SM, MD, LG, XL
XL Shell - 2X, 3X, 4X - Included items: 509 helmet drawstring bag, breathbox, Arctic Chin curtain, 509 Sticker
Size Guide
Not sure about your size? Try on at your local dealer!
*Street Helmets are a tighter fit due to cheekpad compression, however, they do pack out over time/use.
How to Measure
When measuring your head, use a cloth tape. Start it just above your eyebrows and circle it around the thickest point in the rear of your head and then reference the size guide below.
Scroll to the right to see more sizes
| Size | US Hat Size | Inches | Centimeters |
| X-Small | 6 5/8 - 6 3/4 | 20 7/8 - 21 1/8 | 53 - 54 |
| Small | 6 7/8 - 7 | 21 5/8 - 21 7/8 | 55 - 56 |
| Medium | 7 1/8 - 7 1/4 | 22 1/2 - 22 5/8 | 57 - 58 |
| Large | 7 3/8 - 7 1/2 | 23 1/4 - 23 1/2 | 59 - 60 |
| X-Large | 7 5/8 - 7 3/4 | 24 - 24 1/4 | 61 - 62 |
| 2X-Large | 8 | 24 3/4 - 25 | 63 - 64 |
| 3X-Large | 8 3/4 | 25 1/4 - 25 3/4 | 64 - 65 |
| 4X-Large | 9 | 26 - 26 1/4 | 66 - 67 |
| Youth Small | 6 | 18 1/8 - 18 7/8 | 47 - 48 |
| Youth Medium | 6 1/8 - 6 1/4 | 19 1/4 - 19 5/8 | 49 - 50 |
| Youth Large | 6 3/8 - 6 1/2 | 20 - 20 1/2 | 51 - 52 |
Pressure Points
When trying on a helmet, take note of any pressure points on your forehead—a sign that the helmet is too round. Pressure points on the sides of your head indicate a helmet is too oval for the shape of your head. After you buy a new helmet, try wearing it for 30 to 45 minutes to check for pressure points before using it on a ride.
Pressure Points
When trying on a helmet, take note of any pressure points on your forehead—a sign that the helmet is too round. Pressure points on the sides of your head indicate a helmet is too oval for the shape of your head. After you buy a new helmet, try wearing it for 30 to 45 minutes to check for pressure points before using it on a ride.
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