{"product_id":"d4-composite-helmet-w-mips-qualifier-slate-red-2x","title":"Troy Lee Designs D4 Composite BMX Full-Face Helmet Qualifier Slate \/ Red XL, 2XL","description":"\u003cp class=\"p1\"\u003eXL size available upon request. We will exchange the headliner and cheek pads to XL sizing at no additional cost. Please note that XL and XXL share the same shell size; the difference is in the interior padding only. Please email sales@bikesupplies.ca or include a note in your order requesting XL sizing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eTroy Lee Designs D4 Carbon \u0026amp; Composite Full-Face Helmet – BMX Race Proven\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Troy Lee Designs D4 Carbon and D4 Composite helmets set the standard for high-performance BMX full-face helmets. Designed for elite BMX racing, BMX freestyle, and downhill riding, the D4 is trusted by top riders worldwide for its lightweight construction, exceptional ventilation, and race-ready fit.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBoth the D4 Carbon and D4 Composite share the same advanced helmet platform, delivering pro-level protection with reduced weight and increased comfort compared to entry-level full-face helmets. The carbon version offers maximum weight savings, while the composite model delivers an ideal balance of strength, performance, and value — making both excellent choices for competitive BMX riders.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAt the core of the D4 is the Mips® C2 rotational impact protection system, engineered to reduce rotational forces during angled impacts commonly seen in BMX crashes. A large front air intake and optimized ventilation channels move air efficiently through the helmet, helping riders stay cool during motos, mains, and extended training sessions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAn anatomically refined shell shape combined with 3D-contoured cheek pads provides a secure, locked-in fit without pressure points. Emergency quick-release cheek pads allow for safe helmet removal by first responders. The removable, washable comfort liner uses Coolmax® and Dri-Lex® materials to manage sweat and maintain comfort in high-intensity riding conditions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWhether you’re racing BMX, riding indoor tracks, or lining up for nationals, the Troy Lee Designs D4 Carbon and Composite full-face helmets deliver proven safety, performance, and premium build quality.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis helmet is designed and intended exclusively for bicycling activities, including BMX racing, BMX freestyle, downhill MTB, and off-road cycling.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eKey Features:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• D4 full-face helmet platform used by elite BMX and downhill riders\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Available in Carbon and Composite shell constructions\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Mips® C2 rotational impact brain protection system\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Three shell sizes for accurate fit across youth and adult riders\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Anatomical 3D contoured cheek pads with emergency release system\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Removable, washable comfort liner with Coolmax® and Dri-Lex® moisture-wicking materials\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Lightweight titanium D-ring retention system\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eSpecifications:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Certifications: CPSC 1203*, CE EN1078*, ASTM F1952 (Downhill), ASTM F2032 (BMX)\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Weight: varies by shell construction and size\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e*Certification standards vary by region\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eD4 Carbon vs D4 Composite – Which One Is Right for You?\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eD4 Carbon\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBest for riders who want the lightest possible full-face helmet for BMX racing and high-intensity riding. The carbon shell reduces overall weight while maintaining maximum strength, making it ideal for gate starts, repeated sprints, and long race days. If weight savings and top-tier performance are the priority, D4 Carbon is the premium choice.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eD4 Composite\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDesigned for riders who want elite-level protection and fit at a slightly lower cost. The composite shell offers excellent impact performance and durability while sharing the same ventilation, Mips® C2 protection, and anatomical fit as the Carbon version. D4 Composite is an outstanding option for competitive BMX racers looking for performance and value.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eQuick comparison:\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eShell material\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Carbon: carbon fiber\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Composite: advanced composite construction\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWeight\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Carbon: lightest option\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Composite: slightly heavier, still race-ready\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003ePerformance level\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Carbon: pro-level, weight-focused\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Composite: elite performance with added value\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eBest use\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Carbon: BMX racing, national-level competition, riders prioritizing weight\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Composite: BMX racing, training, nationals, riders balancing cost and performance\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eShared features (both models):\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• D4 full-face helmet platform\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Mips® C2 rotational impact protection\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Identical ventilation and airflow system\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Same anatomical fit and shell shaping\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• Emergency-release cheek pads\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e• BMX and downhill safety certifications\u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Default Title","offer_id":51693032145177,"sku":null,"price":279.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7477\/5321\/files\/Screenshot2025-11-25at4.51.33PM.png?v=1764118310","url":"https:\/\/www.bikesupplies.com\/products\/d4-composite-helmet-w-mips-qualifier-slate-red-2x","provider":"BikeSupplies.ca","version":"1.0","type":"link"}