Take a look around: the Troy Lee Designs D4 Composite MIPS Bike Helmet is on some of the most recognizable heads on the hill. From freestyle riders who launch themselves upside down on purpose to racers who pay their mortgages by going as fast as possible on a bike, the D4 is the choice of professionals in every genre. At 1050 grams, it’s an ultra-lightweight full-face that’s a joy to wear. There’s nothing better.
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Material
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   Aerospace Fiberglass Composite Shell
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Construction
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   MIPS (Multi-Directional Impact Protection System)–        MIPS stands for Multi-directional Impact Protection System. It is a revolutionary technology that lets the helmet slide relative to the head, adding more protection against rotational violence to the brain caused by angled impacts.
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   Innovative Construction–        With in-mold PC around vent openings and exposed EPS, strength and durability have been increased.
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Fit
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   Quick Release XT2 3D Cheek Pads
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   X-Static / XT2 Liner for Optimized Fit
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Vents
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   Ventilation–        Large front and rear air passages coupled with deep internal channeling for maximum airflow and cooling efficiency.
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   TLD Drawstring Bag Included
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Additional Features
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   Break-Away Anodized Aluminum Visor Screws
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Safety Standards
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   Certifications–        CPSC 1203, CE EN 1078, ASTM F1952-DH, ASTM 2032-BMX
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- Â Â Â Material: Â Â Â EPS, Fiberglass
-    Biking Type:    Mountain                                    MountainMountain bikes are built for tackling rough terrain with frames made of durable materials like aluminum or carbon fiber, ensuring stability and maneuverability. They feature suspension to absorb impacts from rocks, roots, and drops, providing a smoother ride.           Â
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| Size | Â Â Â Â Â Â Â Â Â Â Â XS Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â S Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â M Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â L Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â XL Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â XXL Â Â Â Â Â Â Â |
| Weight (g) | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â 1050 Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â | Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â |
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