Skip to Main Content

Troy Lee Designs D4 Composite Bike Helmet

sku# 172485
Troy Lee Designs - D4 Composite Bike HelmetTroy Lee Designs - D4 Composite Bike HelmetTroy Lee Designs - D4 Composite Bike HelmetTroy Lee Designs - D4 Composite Bike HelmetTroy Lee Designs - D4 Composite Bike HelmetTroy Lee Designs - D4 Composite Bike Helmet
Model Info

FREE SHIPPING

This item qualifies for Free Shipping! Details.

Select Color:
Please select a color
Select Size:
Please select a size

00
hr
00
min
00
sec
Order soon for fastest shipping! Details

MEMBERSHIP

Earn up to 10% back in rewards. Learn more. Join Free.

EASY RETURNS

Take up to a full year to return your item! See our Return Policy.

LOWEST PRICE GUARANTEE

Find a better price? We’ll beat it by 5%. See our Price Match Policy.

Product Info

Take a look around: the Troy Lee Designs D4 Composite MIPS Bike Helmet is on some of the most recognizable heads on the hill. From freestyle riders who launch themselves upside down on purpose to racers who pay their mortgages by going as fast as possible on a bike, the D4 is the choice of professionals in every genre. At 1050 grams, it's an ultra-lightweight full-face that's a joy to wear. There's nothing better.

Product Details

Material

Aerospace Fiberglass Composite Shell

Construction

MIPS (Multi-Directional Impact Protection System)MIPS stands for Multi-directional Impact Protection System. It is a revolutionary technology that lets the helmet slide relative to the head, adding more protection against rotational violence to the brain caused by angled impacts.

Innovative ConstructionWith in-mold PC around vent openings and exposed EPS, strength and durability have been increased.

Fit

Quick Release XT2 3D Cheek Pads

X-Static / XT2 Liner for Optimized Fit

Vents

VentilationLarge front and rear air passages coupled with deep internal channeling for maximum airflow and cooling efficiency.

TLD Drawstring Bag Included

Additional Features

Break-Away Anodized Aluminum Visor Screws

Safety Standards

CertificationsCPSC 1203, CE EN 1078, ASTM F1952-DH, ASTM 2032-BMX

Specs

  • Material: EPS, Fiberglass
  • Biking Type: Mountain More 
    Mountain
  • Helmet Style: Full Face
  • Helmet Venting: Fixed Venting
  • Audio: Not Included
  • Visor: Yes
  • Removable Ear Pads: Yes
  • MIPS: Yes
  • Weight (g): 1050
  • Warranty: 3 Years More 
Size XS S M L XL XXL
Weight (g) 1050

Other Notes

Troy Lee Designs products can only be shipped within the United States and Canada

Reviews

Q&A

Related Buying Guides

;
icon-returns icon-ruler icon-ruler-mini icon-compatibility icon-location