7 iDP Project 21 Pro
Best lightweight protection for dedicated enduro and downhill mountain bikers.
This open-face helmet bridges the gap between lightweight trail comfort and heavy-duty enduro protection. By integrating advanced energy-dissipating foam layers and a breakaway visor, it offers significant impact management without sacrificing breathability or ease of use on long, demanding rides.
$159.99
at
Cambria Bike
More Project 21 options
Who it's for
- Downhill racers seeking maximum brain protection during aggressive rides
- Enduro riders who need breathability without sacrificing full-face safety
- Competitive athletes prioritizing weight savings for long days on the bike
Who should skip it
- Budget-conscious riders looking for more affordable head protection options
- Riders with broader faces who prefer a more relaxed fit
- Goggle-wearing enthusiasts who frequently stow their eyewear on their helmet
Performance breakdown
Impact Protection
Dual-density foam and rotational tech provide top-tier safety for aggressive riding.
Ventilation Efficiency
Twenty-one ports deliver exceptional airflow for high-output climbs and descents.
Ease of Use
Fidlock magnetic buckle makes securing the strap effortless with one hand.
Weight Management
At 402 grams, it balances robust protection with all-day ride comfort.
Fit Customization
Dialed adjustment system offers precise, secure fit across various head shapes.
Hygiene Maintenance
Anti-microbial padding keeps the interior fresh during long, sweaty summer sessions.
Key Specs
Weight
402 grams
Number of Vents
21
Safety Technology
ERT (Energy Reduction Technology), Conehead Dual-Density Foam
Safety Certification
CE, CPSC, AS
Closure Type
Fidlock magnetic
Fit System
Rear dial adjustment
Visor Type
Crash Release Visor (CRV)
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 before you decide.