In this blog I’m going to share the best selling mountain bike helmets of the last few months. The list is compiled based on aggregated sales statistics from Amazon worldwide, including the United States, Canada, United Kingdom, and Europe.
Similar to what you can see with road bike helmets, people are willing to spend their money when it comes down to safety. It’s not only common practice, but also common sense to invest in a high-quality helmet.
The number one spot is reserved for the Troy Lee Designs A2, which is one of the highest scoring helmets in Virginia Tech’s safety ranking.
Other popular brands like Fox Racing and Giro are also represented, all offering helmets with MIPS technology, to reduce the risk of sustaining trauma from rotational impacts to the head.
Besides the omni-present MIPS technology, things like reinforced polycarbonate shells, dual-density foam, and Giro’s Spherical technology can be found in these helmets as well. Look at the table at the end of the article for the specifics.
With that little introduction out of the way, let’s head over to my list of the best selling mountain bike helmets.
Troy Lee Designs A2






The Troy Lee Designs A2 is one of the most affordable, high quality, open-faced mountain bike helmets worth your money.
It offers superb comfort and fit, with an anti-bacterial X-Static Pure Silver padding. The padding sits within a dual-density EPS liner. The polycarbonate shell wraps around the edges to further protect the rather delicate EPS.
The decade-old design has been updated to feature the MIPS technology. Safety is further enhanced with the bolt-on breakaway visor, and 3-point fit system.
Part of the popularity of the A2 can be attributed to the comfort it provides. Both with the excellent fit and its ability to keep your head cool when you try and get the most out of your ride. 2 vents on the side extend far into the front. Together with elongated vents on top they suck in cool air, which can exit through a number of vents located at the back.
It’s a great looking helmet, available in many colors, with a perfect track record in crash protection, for a price below many of the top-of-the-line offerings from its competitors. An unbeatable proposition when it comes to mountain bike helmets.
- Best-in-class safety for a reasonable price when compared to the competition
- None
Fox Racing Speedframe






The Fox Racing Speedframe is the same helmet as the Pro version in everything but a small number of features.
The Speedframe Pro is one of the best helmets in terms of safety, and the standard Speedframe inherits many of its safety features except for the multi-density EPS liner.
The helmet is known for having an excellent fit, and you can fit a pair of goggles underneath the 3-point adjustable visor, as well as stash your glasses.
To keep the price down when compared to the Pro version, there’s a cheaper liner and the Fidlock snap buckle is missing from the straps, in an otherwise similar 360 degrees fit system.
- Excellent mid-tier open faced mountain bike helmet inheriting many features of the more expensive Pro helmet
- None
Fox Racing Speedframe Pro






The Fox Racing Speedframe is the same helmet as the Pro version in everything but a small number of features.
The Speedframe Pro is one of the best helmets in terms of safety, and the standard Speedframe inherits many of its safety features except for the multi-density EPS liner.
The helmet is known for having an excellent fit, and you can fit a pair of goggles underneath the 3-point adjustable visor, as well as stash your glasses.
A good fit without pressure points, and a huge number strategically placed vents funneling air into and over your scalp keeps the heat buildup at bay. The air flow is especially noticeable when you pick up speed.
To keep the price down when compared to the Pro version, there’s a cheaper liner and the Fidlock snap buckle is missing from the straps, in an otherwise similar 360 degrees fit system.
It’s a great-looking mountain bike helmet, available in many colors and 3 sizes to choose from.
- One of the safest mountain bike helmets, in lots of different color variations.
- None
Giro Manifest Spherical






The Giro Manifest Spherical offers the airiness of a road bike helmet in an open face mountain bike helmet package.
The general notion of this helmet is that Giro played around with the design of the helmet to ensure maximum air flow. With 19 air vents it seems to do the trick creating probably the best mountain bike helmet for hot summer rides.
In terms of protection it offers the same as the already very expensive Giro Merit Spherical, but tops it off with an added ring of polycarbonate called the Auro Arch, which serves as a kind of roll-cage for your head.
So it means you also get the MIPS Air technology, the Spherical ball-and-socket setup for the EPS liner, which has a dual-density characteristic.
The Manifest is not only one of the safest helmets on the market, it’s also one of the best-ventilated. A total of 19 huge vents in a relative low-weight package ensure maximum air flow and a reduced risk of heat building up. When you don’t do prolonged stretches of slow climbing the chances of the helmet feeling hot and uncomfortable is near zero.
Does that kind of tech win awards in the safety department? Yes it does. Does that kind of tech win awards in how fast it’ll drain your wallet? It does that equally impressive, being the most expensive helmet of its specific category.
- Jam-packed with award-winning crash technology to create the ultimate mountain bike helmet for hot summer trail riding.
- Extremely expensive
Bell Sixer MIPS






One tier below the Super Air sits the Bell Sixer MIPS.
In terms of value-for-money it’s significantly less expensive, while only sacrificing the full-face optional chin bar and Spherical technology.
It doesn’t mean this helmet is not expensive, it’s just that the Super Air is really expensive. But what you do get for that type of money is the same solid design and MIPS Evolve protection underneath a reinforced polycarbonate shell. This helmet also features the progressive EPS 3-part layering.
One of the things I especially like about this helmet is the 3-point adjustable visor. The ratcheting mechanism lets you easily click the visor in the right position. You can store your eyewear at the front or back.
For an open faced mountain bike helmet it’s really well ventilated. I don’t know exactly how this Dual-flow Ventilation system works, but it does, and that’s what matters.
The Float Fit system lets you adjust, tighten or loosen the fit with a dial, and includes 4 positions for vertical adjustment as well.
- Offers ample protection with very little compromise in a gorgeous design.
- None
Specifications selling mountain bike helmets
Name | Price | Technology | Shell | Liner | Visor | Fit | weight (gr) | eyewear port | rating | Buy at Amazon |
---|---|---|---|---|---|---|---|---|---|---|
Troy Lee Designs A2 | 170 USD | MIPS | polycarbonate | dual density EPS | bolt-on breakaway | 3-point dial fit | 350 | yes | 9.99 | |
Fox Racing Speedframe | 140 USD | MIPS | polycarbonate | EPS | 3-position adjustable | 360° Fit System | 380 | yes | ||
Fox Racing Speedframe Pro | 190 USD | MIPS | polycarbonate | dual density EPS | 3-position adjustable | 360° Fit System w. Fidlock buckle | 380 | yes | 10.84 | |
Giro Fixture MIPS II | 70 USD | MIPS | polycarbonate | EPS | removable | Roc Loc Sport | 330 | 17.81 | ||
Giro Manifest Spherical | 260 USD | MIPS/Spherical/Hardbody/Aura Arch | polycarbonate | dual density EPS | bolt-on adjustable | Roc Loc 5 Trail w. Fidlock buckle | 340 | yes | 12.20 |

Johan van Seijen
FoundeR Restoration.bike
Johan van Seijen is the founder of restoration.bike. His passion for cycling in general, and restoring older bikes turned into a website to share his knowledge with a broader audience. Starting out on his father’s road bike and riding classics as the Amstel Gold Race and Liege Bastogne Liege he has shifted his attention to trail, XC, and gravel riding since. No matter how much he loves writing about everything related to cycling, nothing beats actually using his ever-expanding bicycle collection.
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