"Finally replaced my 24 year old D2 with this gorgeous D4. Feels great. Much safer. Still super light. Been running all Troy Lee gear for a long time. Never disappointed."
D4 Carbon Helmet Ever Black / Gold
D4 Carbon Helmet Ever Black / Gold
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The Reigning King of Full-Face Helmets
This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
SKU:139531001
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
Block
Script
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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.
Overall rating: 5.0 / 5 from 9 reviews.
AI Generated Review Summary
Summary topics
- : 12%%
- : 13%%
- : 15%%
- : 21%%
- : 12%%
Review topics: ["size","fit","color","bag","weight","looks","quality","pads","protection","comfort","feel","liner","style","design","light","shipping","finish","service","helmet","ventilation","lid","air","paint job","troy lee","graphics","face","cushion","form"].
Review highlights
- "Love the color, Nice light, weight and awesome!" — Pedro P.
- "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.
Reviews
Love it
"Its incredibly light the pads aren't itchy looks fantastic!! Love this helmet definitely will buy more product"
— Van L. (5/5)
Genial
"fulfilled all my expectations it is beautiful thank you"
— Javier S. (5/5)
"Hands down the best helmet"
— James (5/5)
Dopest helmet ever!
"Love the fit and feel of my new D4 it’s comfy and super lightweight!"
— Dan J. (5/5)
Comfortable
"I like it it's comfortable"
— Johnny A. (5/5)
Troy Lee D4 Carbon Best helmet ever
"Fits better than other brands for me. Wraps my head more securely than other brands. Great fit, great looks."
— Peter R. (5/5)
👍
"The boy loves it. It's everything we expected from Troy Lee Designs"
— Bryan M. (5/5)
Superb
"Love it, from fit to style this helmet feels perfect."
— Nathan F. (5/5)