Troy Lee Designs D4 Carbon Full Face Helmet (Ever Black/Gold) (M) (w/ MIPS)

Troy Lee Designs D4 Carbon Full Face Helmet (Ever Black/Gold) (M)
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Price: $599.99

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Troy Lee Designs D4 Carbon Full Face Helmet Description:

The Troy Lee Designs D4 Carbon Full Face Helmet includes crucial safety features for complete protection while also boasting a number of performance facets that will assist any podium chase. Built throughout the shell of the D4 helmet is an impressive array of vents that help to release built up heat and moisture with a focused front air intake system that channels high air flow through a polymer chin bar center and power grid side mesh. Anatomic cheek pads increase comfort and fit and feature a design that allows emergency removal from the bottom of the helmet in the case of extreme incident. A special EPP collarbone impact system relieves impact to the body at the base of the helmet where injury has been known to occur.


  • Thoughtfully crafted full-face helmet with advanced safety and ventilation
  • MIPS C2 Rotational Impact system increases protection from unique momentum influenced collisions
  • Unidirectional Carbon Fiber shell represents ultimate weight savings
  • Breakaway visor screws spare damage to helmet and visor from crash damage
  • Unique front air intake system in chin bar comprised of polymer center and mesh sides supply high air flow
  • Titanium version of chin strap D-ring
  • Includes Troy Lee Designs helmet carrying bag 


  • Shell Material: Carbon Fiber
  • Fit System: Chin Strap w/ D-ring Closure (Ti)
  • Chin Bar: Fixed
  • Safety Features: MIPS
  • Certification: CPSC, ASTM F1952 (DH), ASTM F2032 (BMX)
  • Color: Black/Gold
  • Weight: 1000g (Size:M)

This product was added to our catalog on March 11, 2024

Helmet Measurements:

  • Measure circumference of head using fabric tape measure
  • Measurement should be taken just above eyebrows and ears: Approximately 1" (25mm)
D3Hat SizeCircumference (in)Circumference (cm)
XS6 5/8 - 6 3/4"20 7/8 - 21 1/4"53 - 54cm
S6 7/8 - 7"21 5/8 - 22"55 - 56cm
M7 1/8 - 7 1/4"22 3/8 - 22 3/4"57 - 58cm
L7 1/4 - 7 3/8"22 3/4 - 23 1/4"58 - 59cm
XL7 1/2 - 7 5/8"23 5/8 - 24"60 - 61cm
2XL7 3/4 - 7 7/8"24 3/8 - 24 3/4"62 - 63cm

Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.