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Coalition Spherical Helmet

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Color:Matte Dark Shark Dune


Size Chart


Why We Like The Giro Coalition Spherical Helmet

Lightweight, advanced tech, and a protective design are everything we need for aggressive riding. The Giro Coalition Spherical Helmet is our new go-to helmet for full-face protection. The Giro Coalition Spherical Helmet has an in-molded polycarbonate shell for a lightweight and durable design with 23 vents, so we stay cool even on the hottest days. This helmet features a dual-density EPP and EPS liner to absorb impacts, and a Mips Spherical technology acts as a slip plane between the helmet and our head so we can minimize energy from angled impacts. The Halo chin bar system has been reinforced with Pebex and elastomer bushing to give the chin bar flex and absorb kinetic energy.


  • Full-face enduro helmet with a lightweight design
  • In-molded polycarbonate shell is lightweight and durable
  • Dual density EPP/EPS liner absorbs impacts
  • Mips Spherical reduces rotational energy from angled impacts
  • 23 vents keep our head cool and ventilated
  • Fidlock buckle offers a simple and secure magnetic closure
  • Reinforced Halo chin bar flexes to absorb impacts
  • Item #GIRZ38C
Shell Material
in-molded polycarbonate
Impact Management
EPP, EPS, Mips Spherical
23 vents
Fit Adjustment
2 sizes of cheek pads
Full Face
Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older, ASTM-1952-DH, ASTM-2032-BMX, EU: CE EN1078, AS/NZS
Claimed Weight
[size medium] 1lb 12.22oz (800g)
trail, enduro, downhill
Manufacturer Warranty
limited 1 year

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