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Leatt DBX 4.0 Helmet Included in Vital MTB’s ‘7 of the Best Lightweight Full-Face Helmets’

Vital MTB compiled a list and reviewed their seven best lightweight full-face helmets in the market at the moment and included our Leatt DBX 4.0 Helmet.

“The helmet is the single most important piece of protection in a mountain biker’s arsenal of gear. Traditionally, we’ve had the choice of hot and sometimes heavy full face helmets for downhill and bike park use, or much more breathable half-shell options for trail and all-mountain riding. However, as the way we ride our bikes has evolved, so has the trusty helmet. The last few years has seen the emergence of lighter, more breathable full face helmets aimed directly at the enduro crowd, which for the purposes of this discussion we shall define as “people shredding their single-crown bikes pretty damn hard and then climbing back up to do it again”. In light of this evolution, we thought it would be high time to round up the best options currently available for those looking for more protection without cooking their noggin on the way back up, and see how they stack up against each other. Read on to find out!”

 Leatt DBX 4.0 ($229.99)

  • Protection: 4.5 stars
  • Breathability: 4 stars
  • Fit and Comfort: 4.5 stars
  • Quality and Finish: 4.5 stars
  • Weight: 4 stars
  • Price/Value: 4 stars
  • Overall: 4 stars

Leatt is first and foremost a protection company, and that heritage is obvious when examining the new DBX 4.0 helmet. It features the company’s “360 Turbine Technology”, which is basically a set of small rubber-like inserts that are placed all around the inside of the helmet, with the goal of providing both low-level direct impact absorption as well as protection against rotational force transmission to the brain during off-axis impacts. Additionally, the DBX 4.0 is equipped with a dual-density main impact liner to further improve the helmet’s capability to absorb harmful impact energy in different crash scenarios. The fixed visor is of the breakaway variety, and the main chin bar opening features a grill that can be removed to further improve breathability. The DBX 4.0 is of course certified to all the relevant DH standards.”


“The liner is fairly thick, and offers far more extensive coverage than the Stage and the ProFrame. With only two shell sizes, each helmet is delivered with a second set of pads and liners of different thickness to help fine tune the fit. There are a number of large vents designed to promote better airflow, including an impressive intake duct running through the visor to push air into the helmet when moving forward. To make it easier to put on and take off the DBX 4.0, the chin strap is equipped with the magnetic FidLock buckle just like the Stage and the ProFrame.”
“On the trail, the DBX 4.0 has the edge when it comes to outright comfort. The generously dimensioned liner is soft to the touch and provides an experience closer to that of a classic full face helmet. The shell sizing is ample which made for a slightly less tight fit for this tester, even with the thicker liner installed (running the thicker cheek pads proved to be too tight in that area specifically). The helmet is still very stable in use, although the extra weight compared to the Stage and the ProFrame can just about begin to be felt in certain scenarios as the balance of the helmet is different on the head. The visor is not adjustable which some might find to be a nuisance, especially when it comes to storing goggles on a climb, but we did not find that it interfered with our vision on the trail. We also noted that the DBX 4.0 is completely free of any kinds of creaking, which speaks well to the build quality.”
“Bonus points to Leatt for avoiding placing vents under the goggle strap though, this is something we’d like to see more companies care about – what’s the point of having big vents if you’re going to cover half of them with the obligatory goggle strap? (and no, you’re no longer allowed to run sunglasses with a full face under any circumstances).”
Click here to read their full article.


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