"Wonderful quality."
D4 Carbon Helmet Stealth Black
D4 Carbon Helmet Stealth Black
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:139437012
Specifications
Specifications
• 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
Shipping & Returns
Shipping & Returns
FREE Shipping on all orders over $99. For full details, visit our Shipping & Returns Page.

Helmet Lettering
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.
- Text
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Font
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Color
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.
• 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 8 reviews.
AI Generated Review Summary
Summary topics
- : 22%%
- : 14%%
- : 12%%
- : 13%%
- : 12%%
Review topics: ["helmet","face"].
Review highlights
- "The fit is great, light weight and awesome designs" — Mark W.
- "Helmet looks great and has great air vents that keep my head cool." — Sean T.
- "Good snug fit and great cushioning." — CHRIS Y.
Reviews
Love the helmet!
"Having it personalized by Tro Lee himself makes this helmet my collector’s item for life!"
— Raymond G. (5/5)
So rad!
"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)
Dope
"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 best!
"The D4 Carbon is absolutely the best and most comfortable full face I have worn!"
— John H. (5/5)
High quality materials
"Fits great and is super lite."
— Kurt L. (5/5)
Q&A
- You have answered in this Q&A that all Carbon helmets come with an extra visor. I don't think that's true, at least I didn't get one. You can send me one though...
- Hello, please reach out to us at the email below and i can help you with this inquiry. customerservice@troyleedesigns.com
- Includes an extra visor?
- yes, all carbon helmets should come with an extra visor in the box