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Troy Lee Design
Troy Lee Designs D4 Polyacrylite Helmet – Shadow Black, Large
MPN: 174499004 · UPC: 887202495571
$299.99
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Select Option: Troy Lee Designs D4 Polyacrylite Helmet – Shadow Black, Large
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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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, an air intake system for ventilation, and an unmatched anatomical fit.
- ✓ Mips C2 system and advanced Polyacrylite shell for rotational impact protection
- ✓ Front air intake with high-flow polymer center and power grid mesh for ventilation
- ✓ Collarbone Suspension System and breakaway visor screws for added safety
- ✓ Anti-microbial padding and quick-release 3D cheek pads for optimized anatomical fit
| Rotational Protection | Yes |
| Helmet Certifications | Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older |
| Maximum Head Circumference | 59 |
| Gender/Age | Adult |
| Minimum Head Circumference | 58 |
| Color | Shadow Black |
| Size | Large |
| Visor Included | Yes |
| Multi Impact | Yes |
| Helmet Style | Full Face |
| Defined Color | Black |
Helmet Size Guide
| Size | Head Circumference |
|---|---|
| S | 51 – 55 cm / 20" – 21.6" |
| M | 55 – 59 cm / 21.6" – 23.2" |
| L | 59 – 63 cm / 23.2" – 24.8" |
💡 Measure around the widest part of your head, just above your eyebrows. The helmet should sit level and not rock forward or back.
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$299.99
Out of Stock — Call for Availability