Giro Source MIPS Helmet
Best rugged trail protection for dedicated mountain bikers.
This trail-focused lid offers deep coverage and excellent airflow, making it a reliable choice for rowdy rides. It prioritizes safety with integrated brain protection and a durable shell, while the adjustable visor and dial-fit system ensure a customized, secure experience on the trail.
$129.99
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Who it's for
- Mountain bikers riding in hot climates or high-intensity conditions
- Safety-conscious riders seeking advanced brain protection technology
- Frequent riders who need a long-lasting, hard-wearing trail helmet
Who should skip it
- Enduro riders who prefer to store goggles on their helmet
- Cyclists with wider or rounder head dimensions
- Riders who prioritize a soft, cushioned feel over weight savings
Performance breakdown
Impact Protection
MIPS integration provides essential rotational force mitigation for technical trail riding.
Ventilation Efficiency
Deep internal channels keep airflow consistent during high-output climbing efforts.
Fit Customization
The Roc Loc 5 system offers precise, reliable tensioning for varied head shapes.
Trail Durability
Full lower Hardbody shell effectively resists dings from trailside branches and debris.
Visor Versatility
Moto-style adjustment allows for quick positioning but requires a tool.
Weight Profile
Solid construction adds slight heft compared to dedicated lightweight racing lids.
Key Specs
Safety Technology
Integrated MIPS
Construction
In-mold polycarbonate shell and EPS liner with Hardbody Lower Shell
Ventilation
16 Wind tunnel vents with internal channeling
Fit System
Roc Loc 5
Visor Type
Adjustable moto-style screw-in
Weight
351g (Size Medium CPSC)
Safety Certification
US CPSC, CE EN1078
Intended Use
Trail riding
Know before you buy
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