Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up
Troy Lee Designs

Troy Lee Designs D4 Carbon Helmet w/ MIPS - Lined Up

$765.00
/
Shipping calculated at checkout.
Color
Size
  • Free Domestic Shipping On Orders Over $100
  • Low stock - 3 items left
  • Backordered, shipping soon
  • Add To Cart For Final Price
Troy Lee Designs
D4 Carbon MIPS
Full-Face DH/BMX · MIPS C2 · UD Carbon Shell · 1000g
About This Helmet

D4 reigns king atop downhill podiums and BMX events across the globe. Details are what make the D4 the most coveted full-face in mountain biking. Prioritizing safety while balancing weight through premium construction and materials, the D4 Carbon incorporates Mips C2 protection with an EPP chinbar and anatomical cheek pads with emergency release.

Not intended for use with motorized vehicles.
Highlights
  • UD carbon fiber shell -- the lightest D4 available
  • Three shell sizes for accurate fit across a variety of head sizes and rider ages
  • Mips C2 Rotational Impact Brain Protection System
  • EPP-lined chinbar
  • Anatomical 3D contoured cheek pads with emergency release for EMS responders
  • Removable snap-in washable comfort liner -- Coolmax and Dri-Lex moisture-wicking
  • Super light titanium D-rings
  • 1000g weight
Shell and Construction
Shell
UD carbon fiber -- 3 shell sizes
Weight
1000g
Protection
MIPS
Mips C2 Rotational Impact Brain Protection System
Chinbar
EPP-lined
Cheek Pads
Anatomical 3D contoured with emergency release for EMS responders
Chinstrap
Super light titanium D-rings
Comfort and Liner
Liner
Removable snap-in washable comfort liner -- Coolmax and Dri-Lex moisture-wicking materials
Certifications
Standards
CPSC 1203, CE EN 1078, ASTM F1952 (DH), ASTM F2032 (BMX) -- varies by region
Note
Not intended for use with motorized vehicles

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 2-5 business days of purchase.

Bicycles:

Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

Riding Gear & Apparel:

Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 2-5 business days.

Returns & Exchanges:

If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

For full details, please see our Refund Policy before initiating a return.

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

Prepared with intention.

Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

Passion drives us

At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

You may also like

Recently viewed