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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Key Features
Drag
With hand-laid carbon fiber construction and a plush interior, the 509 Mach III Carbon Helmet is ready for daily commutes, long hours in the saddle, or weekends spent exploring the windiest highways. Streamlined and built for high-speed riding, this DOT and ECE 22.05 certified helmet includes a shield lock seal, an easy gloves-on access Fidlock® chinstrap, and multiple shield options so you can show your style.





Key Features
- Lightweight, durable hand-laid carbon fiber construction
- Shield lock seal
- ITO (Indium Tin Oxide) shield coating to prevent surface scratches and fogging
- 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
- Comfortable plush interior
- Multiple shield options (mirrored and tinted options)
- 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 - 2X
- Shell Breaks:
Small shell - XS, SM, MD, LG
Large Shell - XL, 2X - Included items: 509 helmet drawstring bag, breathbox, 509 Sticker