Troy Lee Designs D4 Composite Helmet - Graph

It wasn't easy to improve upon the class-leading design and function of the D3 helmet, but TLD made it happen. Built with an aerospace shell design and materials, TLD was able to get the D4 Composite helmet down to 1050 grams without sacrificing any strength.

In stock and ready to ship!

SKU: HLM-03067C

Details / Troy Lee Designs D4 Composite Helmet - Graph


  • 20 high-flow intake and exhaust ports for maximum ventilation
  • Added eps and new headform shape for improved impact performance
  • Full incremental sizing for greater range of fitment
  • Strategically placed interior chinbar shock pads for comfort and durability
  • Quick-release and contoured 3D cheek pads for emergency helmet removal
  • Purpose-built internal cavities for audio integration
  • Stainless steel chinstrap D-rings are light and strong
  • Includes TLD drawstring helmet sock
  • Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
  • Not intended for use with motorized vehicles

More Information

Troy Lee Designs
Manufacturer Part Number
Product Condition
New in Box


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