Giro Tyrant Spherical MTB Helmet - Matt Metallic Black-Ano Lime - 2022


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Product ID: GM111521-83

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Giro Tyrant Spherical MTB Helmet - Matt Metallic Black-Ano Lime - 2022


  • MIPS Spherical Technology: Utilizes a pair of foam layers that work like a ball and socket to redirect impact energy in a crash. One layer is EPS, which is well suited to high-speed crashes. The other is a lower density EPP foam with rebound characteristics to address low-speed, roll-around-in-the-dirt-type spills.
  • Tool Free, Bolt On, Adjustable Visor
  • Channeled Stack Ventilation: Vents at the brow line help warm air to be drawn up and away from goggles/glasses and draw air through the helmet for maximum breathability
  • Check Pads: Includes two pair of pads for fit tuning
  • Quick Dry Padding
  • Hardshell with In-mold polycarbonate Hardbody lower wrap
  • Progressive layering with EPS outer liner and EPP inner liner
  • Roc Loc Air DH: A rugged fit system. This fit system has an easy-to-grip dial that actually gets more grippy when it’s sweaty. Roc Loc DH allows vertical tuning as well so you can fine tune fit
  • Channeled Stack Ventilation
  • 14 Individual vents
  • Sizing: Small (20-21.75", 51-55cm); Medium ( 21.75-23.25", 55-59cm); Large (23.25-24.75", 59-63cm)
  • Certification: Complies with the U.S. CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

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