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24,000+ Reviews | 4.5/5 Excellent
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ECE 22.06 | DOT 3 year helmet warranty

AT4 CARBON

3445 reviews
Rated 4.5 out of 5 stars
5 stars (2660)
4 stars (320)
3 stars (161)
2 stars (98)
1 star (206)
Sport

AT4.0 CARBON is the fourth generation of the AT full-face motorcycle helmet. This iconic Carbon fibre helmet features a super-tough lightweight shell, ultra-wide field-of-view and RHEON impact technology integrated into the plush multi-density interior liner. With DOT FMVSS 218 & ECE 22.06 certification and compatibility with our full Bluetooth audio with our Shockwave unit, the AT4.0 CARBON is the ultimate street helmet

Discover AT4 CARBON AT4 CARBON Fit Guide
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16 Items

    FREE SHOCKWAVE BLUETOOTH

    WITH SELECTED HELMETS

    THIS WEEK ONLY

    Built into AT4.0 CARBON

    RHEON™ Impact Protection

    Learn More
  1. Core Core
    AT4.0 CARBON
    Core
    £375.00
    Free Shockwave Bluetooth
  2. The Joker The Joker
    AT4.0 CARBON
    The Joker
    £449.00
    Free Shockwave Bluetooth
  3. 25% OFF
    Liquid Carbon Liquid Carbon
    AT4.0 CARBON
    Liquid Carbon
    £356.25 £475.00
  4. Oni Oni
    AT4.0 CARBON
    Oni
    £425.00
    Free Shockwave Bluetooth
  5. Jormungandr Jormungandr
    AT4.0 CARBON
    Jormungandr
    £425.00
    Free Shockwave Bluetooth
  6. Fusion Fusion
    AT4.0 CARBON
    Fusion
    £425.00
    Free Shockwave Bluetooth
  7. Cthulhu Cthulhu
    AT4.0 CARBON
    Cthulhu
    £425.00
    Free Shockwave Bluetooth
  8. Fenrir White Fenrir White
    AT4.0 CARBON
    Fenrir White
    £425.00
    Free Shockwave Bluetooth
  9. Gold Gold
    AT4.0 CARBON
    Gold
    Out of stock
    🔥 High Demand
  10. Catwoman Catwoman
    AT4.0 CARBON
    Catwoman
    £449.00
    Free Shockwave Bluetooth
  11. BlackBird BlackBird
    AT4.0 CARBON
    BlackBird
    £425.00
    Free Shockwave Bluetooth
  12. Anarchy Anarchy
    AT4.0 CARBON
    Anarchy
    £425.00
    Free Shockwave Bluetooth
  13. The Batman The Batman
    AT4.0 CARBON
    The Batman
    £449.00
    Free Shockwave Bluetooth
  14. Frenzy Frenzy
    AT4.0 CARBON
    Frenzy
    £425.00
    Free Shockwave Bluetooth
  15. Fenrir Fenrir
    AT4.0 CARBON
    Fenrir
    £425.00
    Free Shockwave Bluetooth
  16. Darkside Darkside
    AT4.0 CARBON
    Darkside
    £425.00
    Free Shockwave Bluetooth
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Size
  1. S (15)
  2. M (15)
  3. L (15)
  4. XL (15)
Price
Technology
  1. Carbon fibre (16)
  2. Twiceme ID chip (1)
  3. Rheon impact tech (16)
  4. Fidlock chinstrap (15)
Collection
  1. DC (3)
  2. Liquid Carbons (1)
  3. Ragnarok (3)
Colour
  1. Black (11)
  2. Blue (1)
  3. Brown (1)
  4. Carbon (1)
  5. Gold (2)
  6. Green (3)
  7. Grey (1)
  8. Multi-Colour (3)
  9. Red (4)
  10. White (5)
Find your size
We recommend:
How to measure
  1. With a fabric measuring tape, wrap it around your head just above your eyebrows and ears.
  2. Pull the tape comfortably tight. Take the measurement.

Our motorcycle and snow helmet fit is an intermediate oval.

Returns policy

If the fit is not quite right our return process is simple. 14 days to exchange, picked up from home. See our returns page for more details.