Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
Troy Lee Designs D4 Composite Helmet w/MIPS Flush Black
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Troy Lee Designs

D4 Composite Helmet w/MIPS Flush Black

$560.00
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Troy Lee Designs
D4 Composite MIPS
Full-Face DH/BMX · MIPS C2 · Composite · 1050g
About This Helmet

Always Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips C2 protection is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh, keeping your head cooler during the ride. X-Static and XT2 anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be.

Not intended for use with motorized vehicles.
Highlights
  • Aerospace composite shell design and materials -- strength without weight penalty
  • 1050g weight
  • Mips C2 Rotational Impact Brain Protection System
  • Front air intake cooling routed through polymer center and Power Grid side mesh
  • X-Static and XT2 anti-microbial / anti-odor padding
  • Three shell sizes for accurate fit across a variety of head sizes and rider ages
  • EPP-lined chinbar
  • Anatomical 3D contoured cheek pads with emergency release for EMS responders
  • Removable snap-in washable comfort liner
  • Super light titanium D-rings
Shell and Construction
Shell
Aerospace composite -- 3 shell sizes
Weight
1050g
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
Cooling
Front air intake system routed through polymer center and Power Grid side mesh
Padding
X-Static and XT2 anti-microbial / anti-odor
Liner
Removable snap-in washable comfort liner
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.

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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.

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