{"product_id":"d4-composite-helmet-w-mips-optic-timber","title":"Troy Lee Designs D4 Composite BMX Full-Face Helmet Optic Timber","description":"\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":"XS","offer_id":51693286457625,"sku":null,"price":349.99,"currency_code":"CAD","in_stock":true},{"title":"SM","offer_id":51693286490393,"sku":null,"price":349.99,"currency_code":"CAD","in_stock":true},{"title":"MD","offer_id":51693286523161,"sku":null,"price":349.99,"currency_code":"CAD","in_stock":true},{"title":"LG","offer_id":51693286555929,"sku":null,"price":349.99,"currency_code":"CAD","in_stock":true},{"title":"XL","offer_id":51693286588697,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":true},{"title":"2X","offer_id":51693286621465,"sku":null,"price":299.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7477\/5321\/files\/Screenshot2025-11-25at4.56.20PM.png?v=1764118599","url":"https:\/\/www.bikesupplies.com\/products\/d4-composite-helmet-w-mips-optic-timber","provider":"BikeSupplies.ca","version":"1.0","type":"link"}