Giro Source Mips Helmet
Best rugged trail protection for comfort seeking mountain bikers.
This is the go-to lid for aggressive trail riders who prioritize deep rear coverage and cooling over lightweight minimalism. It sacrifices a few grams of weight for a robust, moto-inspired build that keeps you feeling secure and ventilated through the most demanding, high-effort descents.
$149.95
at
Contender Bicycles
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Who it's for
- Mountain bikers riding in hot climates or high-intensity conditions
- Safety-conscious riders seeking advanced impact protection technology
- Frequent trail riders who need a long-lasting, durable helmet
Who should skip it
- Riders who prioritize plush cushioning for all-day comfort
- Technical riders who require precise visor placement for visibility
- Cyclists with wider head shapes who may feel restricted
Performance breakdown
Impact Protection
Mips integration provides essential rotational force management for aggressive trail riding.
Ventilation Efficiency
Seventeen deep channels keep airflow consistent during high-effort climbs.
Fit Stability
The Roc Loc system locks in securely without creating uncomfortable pressure points.
Coverage Depth
Extended rear shell design offers crucial protection for technical, rocky terrain.
Visor Versatility
Tool-free adjustment makes swapping between goggles and glasses quick and simple.
Build Durability
In-mold hardbody construction withstands the inevitable scrapes of daily trail use.
Key Specs
Helmet Style
Half-Shell
Intended Use
Enduro, Trail
Safety Technology
MIPS
Number of Vents
17
Visor Type
Adjustable
Fit System
Roc Loc
Shell Material
Polycarbonate
Eyewear Compatible
Yes
Age Group
Adult
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