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Troy Lee Designs D3 Fiberlite Bike Helmet

sku# 133586
Troy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike HelmetTroy Lee Designs - D3 Fiberlite Bike Helmet
Model Info
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Product Info

One of the highest rated, most winning and most loved lids you could put on on your head. The Troy Lee Designs D3 Fiberlite Bike Helmet packs an all star combination with its Coolmax™, dual density liner and custom cheek pads the D3 stays where you want it under full send. Sporting 20 wind tunnel tested ventilation ports you'll be cool and composed mid-way and late into your run. Thanks to a dialed lightweight construction the Troy Lee Designs D3 Fiberlite Bike Helmet brings comfort, safety and performance to your ride.

Product Details


Lightweight Fiberglass Shell


Digital Wind Tunnel-Tested Aerodynamic Shell Design

Extra EPS and New Headform Shape for Improved Impact Performance

Dual-Density EPS + EPPDual-density EPS co-molded with EPP for state-of-the-art impact energy management at low and high crash speeds as well as everything in between. 16% more EPS + EPP in frontal lobe and raised EPS splines provide more protection in common impact zones.


Full Incremental Sizing for Greater Range of Fitment

Cheek PadsAnatomically contoured 3D quick-release cheek pads for emergency helmet removal.

Stainless Steel Chinstrap D-Rings Are Light and Strong

Customized FitFixed side strap anchors for a no fuss perfect fit every time. Slimline flexible stabilizer arms.

Large Eyeport and Side ClearancePerfect for goggles or glasses fitment. Multiple configurations for glasses storage.


Revolutionary Injection-Molded Air Intake System

20 High-Flow Intake & Exhaust Ports14 pressurizing intake passages, 6 rear vacuum vortex outlets for maximum ventilation.

Deep EPS Channeling for Optimal Airflow

Additional Features

Removable, Washable Padded Liner with Coolmax™ and Dri-Lex™ Moisture Wicking

Purpose-Built Internal Cavities for Audio Integration

TLD D3 Helmet Bag Kit Included

Full Spectrum Adjustable Visor with +/- 1" / 25mm Range of Motion

Safety Standards

Exceeds CPSC 1203, CE EN 1077, CE EN 1078, ASTM F1952, ASTM F2032 and ASTM F2040


  • Material: Composite
  • Biking Type: Mountain More 
  • Helmet Style: Full Face
  • Helmet Venting: Fixed Venting
  • Audio: Not Included
  • Visor: Yes
  • Removable Ear Pads: Yes
  • Adjustable Fit: Yes
  • MIPS: No
  • Weight (g): 1150
  • Warranty: 3 Years More 

Other Notes

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



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