AT4.0 The Joker
AT4.0 The Joker
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Why go quietly? The AT4.0 Carbon Joker brings the unmistakable chaos of DC’s most notorious villain to the streets. Explosive graffiti-inspired colours, a menacing grin and signature “HA HA HA” detailing create a design made for riders who thrive in the noise.
Built for fast, high-energy riding, the AT4.0 Carbon combines an aggressive sport-focused profile with a lightweight carbon-fibre shell. RHEON impact technology adds an advanced layer of protection, while ECE 22.06 and DOT certification—together with a four-star SHARP safety rating—deliver confidence on every ride.
The soft, close-fitting sport liner is engineered for lasting comfort, making the helmet easy to live with during everyday journeys and longer rides. A wide 215° field of view improves peripheral vision, while the convenient Fidlock chinstrap provides quick and secure fastening.
The AT4.0 Carbon platform also gives you room to personalise your setup. Change the helmet’s appearance with interchangeable visors or add the separately available Shockwave Bluetooth Audio system for music, navigation, calls and rider-to-pillion communication.
Key features
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Striking DC Joker graffiti-inspired design
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Lightweight carbon-fibre shell
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Sport-focused construction for high-performance riding
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RHEON impact-protection technology
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Soft and snug sport comfort liner
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Wide 215° field of view
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Quick and secure Fidlock chinstrap
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Pinlock-ready visor system
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Shockwave Bluetooth Audio-ready
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Interchangeable visor compatibility
Specifications
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Shell material: Carbon fibre
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Weight: 1,600 g ± 50 g for SM shell
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Comfort: Soft, close-fitting sport liner
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Safety technology: RHEON
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Certifications: ECE 22.06 and DOT
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SHARP rating: Four stars
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Chinstrap: Fidlock
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Field of view: 215°
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Pinlock: Pinlock-ready
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Audio compatibility: Shockwave Bluetooth Audio-ready; system sold separately
Included in the box
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1 × AT4.0 Carbon Joker Helmet
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1 × Clear visor
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1 × Tinted visor
Bold styling, advanced protection and everyday comfort come together in a helmet built for riders who refuse to blend in.
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