7 iDP Project 21 Pro Trail MTB Helmet
Best premium head protection for dedicated trail riders seeking maximum ventilation.
This open-face trail helmet balances massive airflow with advanced impact protection. It utilizes a specialized polymer layer and dual-density foam to manage both linear and rotational forces, ensuring safety without sacrificing comfort on technical terrain.
$249.99
Who it's for
- Safety-conscious riders seeking cutting-edge protection for technical trails
- Mountain bikers who prioritize temperature regulation during intense summer rides
- Endurance-focused trail riders wanting a helmet that disappears on the head
Who should skip it
- Budget-conscious cyclists looking for a more affordable entry-level option
- Minimalist riders who prefer a sleek and low-profile aesthetic
- Style-focused mountain bikers desiring a wide variety of vibrant colors
Performance breakdown
Impact Protection
Dual-density foam and specialized polymer layers offer elite-level crash safety.
Ventilation Efficiency
Twenty-one massive vents keep airflow constant during high-exertion climbs.
Ease of Use
Magnetic buckle makes securing the strap effortless, even with gloves on.
Weight Profile
Solid weight balance that avoids feeling heavy on long, technical rides.
Fit Customization
Rear dial adjuster provides a secure, locked-in feel for varied head shapes.
Goggle Integration
Thoughtful channel design ensures goggles stay put without obstructing your vision.
Key Specs
Weight
402 grams
Number of Vents
21
Safety Technology
ERT System, Conehead Technology
Safety Certification
CE, CPSC, AS
Visor Type
Crash Release Visor
Fit System
7iDP Rear Dial Adjuster
Closure Type
Fidlock Magnetic
Removable Padding
Yes
Eyewear Compatible
Yes
Intended Use
Trail, All-mountain, Enduro
Know before you buy
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Ask Metto anything about the 7 iDP Project 21 Pro Trail MTB Helmet before you decide.
