The Giro Insurgent Spherical is a full-face mountain bike helmet for downhill and enduro. Spherical Technology, powered by Mips, combines EPS and EPP foam layers that can move relative to one another during certain impacts.
| Feature | Specification |
|---|---|
| Impact technology | Spherical Technology, powered by Mips | EPS and EPP foam layers |
| Shell | Fiberglass shell |
| Fit system | Roc Loc Air DH | tension and fore-aft tilt adjustment |
| Ventilation | Front intake vents, rear exhaust vents and Wind Tunnel airflow |
| Cheek pads | Two sets included | directional snaps for emergency removal |
| Padding | IONIC+ with silver-based odor control |
| Visor hardware | Tool-free breakaway bolts with Allen-key receiver |
| Camera mount | Central visor bolt hole can serve as a POV camera mount |
| Lower edge | Flex Gasket flexible zone |
| Reference weight | 1040 g | M/L |
| Manufacturer-listed standard | CE EN 1078 |
Measure head circumference with a level tape measure and use the model-specific size guide. Check fit before use.