7 iDP Project 23 Helmet
Best breathable protection for dedicated downhill and enduro mountain bikers.
A highly ventilated full-face option that balances impact protection with all-day comfort. The specialized slip-plane liner and magnetic buckle make it a practical choice for riders who want serious safety without the bulk of traditional downhill lids.
$119.99
More Project 23 options
Who it's for
- Downhill riders seeking maximum airflow during high-intensity summer sessions
- Safety-conscious mountain bikers prioritizing advanced brain protection technology
- Enduro racers needing a durable yet lightweight full-face helmet
Who should skip it
- Trail riders looking for a modular helmet with a detachable chin
- Weight-obsessed racers who prefer the lightest carbon fiber materials
- Riders with broader head shapes who require a more generous fit
Performance breakdown
Ventilation efficiency
Twenty-three large vents keep airflow high during intense, hot-weather riding.
Rotational impact protection
The S.E.R.T system effectively manages energy during complex crash scenarios.
Weight management
Fiberglass construction is durable but feels heavier than premium carbon alternatives.
Ease of use
Fidlock magnetic buckle makes securing and removing the helmet effortless.
Maintenance convenience
Quick-release, anti-microbial liner makes post-ride cleaning simple and fast.
Safety integration
Crash-release visor adds a crucial layer of protection against rotational forces.
Key Specs
Weight
1010g
Material
Fiberglass
Ventilation
23 big bore vents
Safety Technology
S.E.R.T (Seven Energy Reduction Technology)
Visor Type
Crash Release Visor
Closure Type
Fidlock magnetic buckle
Removable Padding
Yes
Eyewear Compatible
Yes
Intended Use
Mountain Biking, Racing, Bike Park
Know before you buy
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Ask Metto anything about the 7 iDP Project 23 Helmet before you decide.