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"Having it personalized by Tro Lee himself makes this helmet my collector’s item for life!"
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D4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full-face in mountain biking. Prioritizing safety while balancing weight through premium construction and materials, D4 incorporates Mips® protection with an EPP chin bar and anatomical cheek pads with emergency release.
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SKU:139017003
• Mips® C2 Rotational Impact Brain Protection System
• UD carbon fiber shell
• Three shell sizes to more accurately fit a variety of head sizes and rider ages
• Anatomical "3D” contoured cheek pads with emergency release system for EMS responders
• Removable snap-in, washable comfort liner with Coolmax® and Dri-lex® moisture-wicking materials
• Super light titanium D-rings
• 1000g
• CPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX. *Varies by regional standards
FREE Shipping on all orders over $99. For full details, visit our Shipping & Returns Page.

Custom Lettering - $150.00
Name here is shown digitally as an example. Your hand lettered helmet will be custom and look much cooler.
Helmet Lettering
Custom Lettering - $150.00
Please review your order carefully.
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Script
Unfortunately we can't offer refunds on customer spelling errors. Please allow an additional 7-10 business days for your custom lettering to be processed. Please note, obscene and offensive language is not allowed.
Name here is shown digitally as an example. Your hand lettered helmet will be custom and look much cooler.
D4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full-face in mountain biking.Prioritizing safety while balancing weight through premium construction and materials, D4 incorporates Mips® protection with an EPP chin bar and anatomical cheek pads with emergency release.
The ultimate protection for your head.
From 1000g to 1150g, you won't notice you're wearing it.
With 20 high-flow intake and exhaust ports, you will stay cool and composed.



D4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full-face in mountain biking.Prioritizing safety while balancing weight through premium construction and materials, D4 incorporates Mips® protection with an EPP chin bar and anatomical cheek pads with emergency release.
The ultimate protection for your head.
From 1000g to 1150g, you won't notice you're wearing it.
With 20 high-flow intake and exhaust ports, you will stay cool and composed.



• Mips® C2 Rotational Impact Brain Protection System
• UD carbon fiber shell
• Three shell sizes to more accurately fit a variety of head sizes and rider ages
• Anatomical "3D” contoured cheek pads with emergency release system for EMS responders
• Removable snap-in, washable comfort liner with Coolmax® and Dri-lex® moisture-wicking materials
• Super light titanium D-rings
• 1000g
• CPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX. *Varies by regional standards
Overall rating: 5.0 / 5 from 7 reviews.
Review topics: ["face","helmet"].
"Having it personalized by Tro Lee himself makes this helmet my collector’s item for life!"
— Raymond G. (5/5)
"I've been wearing TLD helmets since starting downhilling in 2008. Its the one brand that fits like a glove. The new D4 is lighter and sweeter than any other D3 or D4 I've had in the past. I can't wait to rock this new helmet. Even better, it matches my bike and pedals, what???"
— Candace M. (5/5)
"Perfect color amazing helmet"
— Jaymes W. (5/5)
"Son is very happy with this helmet. True to size"
— Christine (5/5)
"Great fit and style. Very light and comfortable."
— Thomas (5/5)
"The D4 Carbon is absolutely the best and most comfortable full face I have worn!"
— John H. (5/5)
"Fits great and is super lite."
— Kurt L. (5/5)
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