Giro Coalition Spherical Bicycle Helmets

Leave it to Giro to create a full-face helmet that delivers heavy-duty protection in a surprisingly lightweight build. Weighing only 800g (M/L size), the Coalition Spherical sets a new standard in mountain biking helmets — engineered for aggressive MTB, DH, and BMX riders who need high performance without compromise.

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Key Features:

• Ultra-Light Full-Face Protection
  Weighs just 800g while exceeding standard chinbar deflection certification by almost 2x

• Advanced Spherical Technology™ + Mips®
  Ball-and-socket design powered by Mips® reduces rotational forces during impact

• Progressive Layering Foam System
  Combines EPP and EPS to manage both high-speed and low-speed impacts effectively

• Next-Level Cooling
  23 strategically placed vents and deep internal channels provide exceptional airflow

• Patent-Pending Halo System
  Integrates Pebax® material in the chinbar with elastomeric bushings to absorb kinetic energy

• Custom Fit & Comfort
  Includes DryCore™ sweat-wicking brow pad, IONIC+™ odor control lining, and two sets of cheek pads (25mm & 30mm) for fit adjustment

• Durability & Versatility
  In-mold polycarbonate shell with robust EPS liner and reinforced chinbar

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Technical Specs:

• Construction: In-Mold polycarbonate shell with EPS liner

• Ventilation: 23 vents + deep internal channeling

• Visor: Included

• Fit System: Comfort liner, neck roll, 25mm & 30mm cheek pads

• Weight: 800g (Size M – CPSC)

• Certifications:

  • US CPSC (Age 5+)

  • NTA 8776

  • ASTM-1952-DH (Downhill)

  • ASTM-2032-BMX

  • CE EN1078 (EU)