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VitalMTB: Leatt DBX 4.0 Full-Face Helmet

“Leatt throws its hat in the lightweight, breathable full-face helmet game.”

RATING: 4/5

VitalMTB tested our brand-new, extremely ventilated and lightweight full-face DBX 4.0 bicycle helmet.

“Lightweight, breathable full face helmets are all the rage in the enduro and trail riding world currently, and now protection specialist Leatt is throwing its hat in the ring with the all-new DBX 4.0. Weighing in at under 900 grams, the new Leatt lid features plenty of ventilation but also lots of innovative safety features, and just like its main competition it comes fully certified up to DH level. We’ve been testing the DBX 4.0 over the past few months, read on to find out how we’ve been getting along,” they said.

Leatt DBX 4.0 Full Face Helmet Highlights

  • Polymer compound shell in two sizes
  • Removable mouthpiece
  • 360 Turbine Technology for energy absorption and protection from rotational impact forces
  • In-molded EPS + EPO impact foam for energy absorption
  • 22 vents
  • Fidlock magnetic strap closure
  • Dri-Lex® liner (moisture wicking, breathable, anti-odor, washable)
  • Breakaway visor
  • Certification: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203
  • Sizes: S, M, L, XL
  • Colors: Black, Blue, Grey, Red
  • Weight: 886 (size L, verified)
  • MSRP: $229.99 USD

Initial Impressions

“The DBX 4.0 presents a burly profile and fairly toned down graphics, with an angular design language that is pretty close to the FOX ProFrame. At 880 grams (as tested) and sporting 22 vents, the new DBX lands squarely in the burgeoning “lightweight full face” category, where it will face off against the TLD Stage, FOX ProFrame, MET Parachute, as well as convertibles like the Giro Switchblade and the Bell Super DH. These helmets are designed to be worn both on the way up and the way down, thus satisfying the requirements of many official enduro races but also providing a good solution for weekend warriors looking to get gnarly on their trail rides, aka full face full timers.”

“The cheek pads snap into place and have pull tabs to aid with helmet removal after a crash (not pictured). The chinbar is non-removable and features a softer, rubbery material on the inside that should provide a comfortable landing spot for your grill should you decide to stick it somewhere it wasn’t meant to go. There is a protective grill on the front of the chinbar that can be removed to improve ventilation here. The visor is designed to break away in case of a fall and will snap right back into place. The DBX 4.0 is fully ASTM certified for DH use, which means that both the helmet and the chinbar pass the relevant impact testing.”

 

We’ve been testing the DBX 4.0 for nearly five months by now, and even in the height of summer we were able to keep it on for big days out and extensive climbs.”

 

“On the trail, the DBX 4.0 breathes very well. You can really feel the vents working as soon as you roll out, and despite the plush and comfortable liner your head remains properly ventilated even on hotter days. Leatt had the good sense to not place any of the vents directly under the goggle strap, so you don’t have to chose between seeing and staying cool. The mouth guard grill is removable, and we highly recommend running without it for any kind of all-mountain riding as this really helps with breathing.”

 

What’s The Bottom Line?

“The lightweight, breathable full face helmet market is really heating up, no pun intended. As the way we ride our “enduro” bikes continues to evolve, so does the need for more serious protection that can be used outside of lift-assisted environments. Leatt’s DBX 4.0 arrives to the party loaded with innovative safety features, and manages to cram it all into a package that weighs only slightly more than its key competitors. If you want a breathable full face helmet that still retains much of the feeling of a classic full face, this one is certainly worthy of your attention,” they concluded.

 

CLICK HERE to read their full review.

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