Name: Troy Lee Designs D4 Polyacrylite Helmet - Qualifer
Brand: Troy Lee Designs
SKU: 174559003
Price: 415.0 USD
Availability: OutOfStock

Troy Lee Designs D4 Polyacrylite Helmet - Qualifer

$415.00

Shipping calculated at checkout.

Color

Black / Yellow

Size

Free Domestic Shipping On Orders Over $100

In stock
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Troy Lee Designs
D4 Polyacrylite MIPS

Full-Face DH · MIPS C2 · Polyacrylite Shell · Collarbone Suspension

Overview Features and Specs

About This Helmet

The reigning king of full-face helmets, the D4 range expands with a Polyacrylite model -- packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips C2 brain protection, a high-flow front air intake system, and an unmatched anatomical fit.

Highlights

Advanced Polyacrylite shell -- D4 safety and comfort at an accessible price point
Mips C2 Rotational Impact Brain Protection System
Front air intake system with high-flow polymer center and power grid side mesh
Collarbone Suspension System
Quick-release contoured 3D cheek pads for anatomically optimized fit
Anti-microbial padding
Breakaway visor screws

Shell and Construction

Shell

Advanced Polyacrylite construction

Suspension

Collarbone Suspension System

Protection

MIPS

Mips C2 Rotational Impact Brain Protection System

Visor Screws

Breakaway -- releases on impact

Ventilation

Air Intake

Front intake system -- high-flow polymer center and power grid side mesh

Fit and Comfort

Cheek Pads

Quick-release contoured 3D for anatomically optimized fit

Padding

Anti-microbial

Shipping Policy

Components:

All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 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 1–3 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.

SpokeX & SX Collective — Mountain Bike Wheelsets, E-MTB Components, Snowboarding, Skiing, Hiking, Running & Camping Gear

Troy Lee Designs D4 Polyacrylite Helmet - Qualifer

Shipping Policy

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