Bluegrass Releases Jetro 3/4 Shell Helmet

Apr 3, 2024
by Bluegrass Eagle  
Picture ulyssedaessle

PRESS RELEASE: Bluegrass

Nostalgic of your motorbike helmet when you’re not riding your Trial or your Sur-Ron? The Jetro offers extensive coverage for your head and jaw, ensuring you can tackle any trail with confidence without compromising on lightness. But it's not just about protection – stability, comfort, breathability, and style are at the core of the Jetro's design.

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Tested rigorously by the experts at the Virginia Tech Lab, the Jetro has earned a prestigious five-star safety rating. Plus, with NTA 8776 certification, you can trust its superior impact energy dissipation to keep you safe on even the most challenging trails.


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Vinny-T“Since I got the first prototype, I just keep using it all the time in e-bike, enduro, and dirt. I love the style and I feel way more protected than in an open face. It’s my daily helmet!”
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With its sleek design and cutting-edge technology, this helmet offers the perfect blend of form and function, providing you with the ultimate riding experience, no matter if you wear it with goggles or without, if you use for dirt jumping, slopestyle, enduro, or e-bike; if you know you know!


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Louis Reboul“I like it because it’s the perfect mix between a full face and a classic open face. That’s the ideal helmet for enduro or e-bike rides, those long rides when you push your pace more than usual. But it’s also perfect to ride in Dirt or Slope with friends.”
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Coverage to dare more – that's what the Bluegrass Jetro is all about.


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Benoit Gurnel“I have the feeling to wear the perfect helmet between a full face and an open face. It’s clearly the helmet I will use most from now on. I feel light and safe. I will use it mostly in e-bike, enduro, but also in Dirt.”
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JET CONSTRUCTION
Bluegrass Jetro is a helmet without the chin guard that covers 3/4 of the head, leaving a wide field of view. The helmet is designed to provide full coverage around the head and jaw, for those looking for more protection from an open-face.

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NTA 8776
The NTA 8776 is the only safety standard created for e-bikes. Being NTA-certified the Bluegrass, Jetro is able to dissipate significantly more impact energy, the shell also has more impact tested coverage around the two most sensitive brain areas: the back and the temples.

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FIVE STAR SAFETY
The Virginia Tech Helmet Lab tested the Bluegrass Jetro and it received the highest rating of 5 stars. Virginia Tech Lab provides an objective assessment of helmet safety. It gives a rating based on both linear and rotational impact energies, going above and beyond the state of the art of helmet safety standards.

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MIPS PROTECTION SYSTEM
Featuring the MIPS-C2 brain protection system, the Bluegrass Jetro is able to slide relative to the head in case of a crash, redirecting damaging rotational motion. MIPS is a rotational management system—engineered to add protection to the standard construction of helmets in case of certain impacts. The MIPS Brain Protection System (BPS) is attached inside the helmet between the comfort padding and the EPS.

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SAFETY-RELEASE AND FLEXIBLE VISOR
The visor is an integrated part of the shell of MTB helmets, and it has to be carefully designed to be protective, stylish and safe. The Jetro features a flexible breakaway visor to avoid twisting of the neck in impacts from any angle.

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RETENTION SYSTEM
When the trail gets intense, having a stable helmet ensures increased safety, enhanced comfort, and an overall better riding experience. With our Safe-T Heta retention system, the Jetro offers exceptional balance and stability on the head, free from discomfort and compatible with any eyewear of your choice.

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LIGHTWEIGHT AND PROTECTIVE
Achieving lightweight without compromising the helmet's structure, the Jetro strikes a perfect balance by meeting stringent safety standards, all while maintaining a weight of 595g in medium size. It offers the perfect compromise between full-face and open-face use.

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VENTILATION
Thanks to its 21 vents and wide internal air channels, the Jetro lets the air move freely from the inlet ports to the exhaust holes, no matter if you wear it with goggles or without.

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MSRP:
• Bluegrass Jetro: 250€ | £225 | US$270
• Available now

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SPECS:
• Weight M size: 595g
• Sizes: S (52-56cm) | M (56-58cm) | L (58-61cm)
• Certifications: NTA 8776 | CE | US

Picture ulyssedaessle
Picture ulyssedaessle

KEY FEATURES:
• In-mould polycarbonate shell with EPS liner
• Mips C2 rotational management system
• Five-star rating from the Virginia Tech Helmet Lab
• NTA 8776 certified
• Extended back head and jaw coverage
• Fidlock magnetic buckle makes it easier to secure the helmet
• Safety release and flexible injected visor
• Safe-T Heta fit system
• 360° head belt and 3 vertical adjustments
• 21 vents work in concert with internal, engineered air channeling system
• Wide field of view makes it compatible with all goggles and sunglasses
• Soft storage bag included

Picture ulyssedaessle
Picture ulyssedaessle

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Posted In:
Reviews and Tech Press Releases Helmets Bluegrass Bluegrass Jetro


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101 Comments
  • 127 2
 waiting for their kneepads with a hole in the middle
  • 16 1
 My patella gets really hot, so a cutout there would be really valuable for me. Having high impact padding around the side of the knee will make me feel far more secure. I'm just not sure if the cutout pads would look better with knee -goggles or knee-glasses?
  • 22 0
 It’s looks like it makes everyone very happy. I might have get one and just wear it to work.
  • 2 0
 Nailed it
  • 1 0
 The good old “half shell with goggles” look, always never gets old
  • 58 7
 Never EVER would I consider such a helmet.

Either the risk is low enough for a classic open face, or I will go full face (Maybe light weight, but always one piece, fully rigid. No removeable chin bar).
  • 30 6
 This x100.
But now I just carry a selection of helmets with me on a ride. Half shell for the ride up then swap to the 3/4 for the singletrack incase I scrape an ear.Bit of tech ahead,breakout the FF enduro lid. Then when it get gnar I've got my DH lid. Then swap back to the xc for the ride home.......unless there's traffic.
Don'y take risks kids......be prepared.
  • 2 1
 yup $20 more for their vanguard helmet too. seems an obvious choice
  • 5 2
 Agreed, I don't understand the use case where by the risk profile only includes an increased likelihood of striking the back or side of my head but not the front. A lightweight or enduro style full face breathes well enough in when I want the added protection over my regular open face, I genuinely don't understand why the chin bar causes so much bother to people.
  • 3 2
 @Jmac888: Are you wearing FF helmet literally on all your rides, then?
This kind of helmet is much protective than standard half shell that is simply too shallow in most of manufacturers. I use Giro Feature, don't have idea how they sell it today, that is deep. But I would definitely rather wear 3/4 helmet for anything in between road and DH/EN.
This one is simply unnecessarily too expensive. Dropping the MIPS tech lower the cost by 100€.
  • 3 1
 Is it still april fool’s?
  • 5 0
 @fluider: This type of helmet sits a lot better on the head than your typical half shell. Which matters a lot if you fall and bounce. I got a bad cut and a concussion after my old half shell went a cm or two up/back in a high speed fall and exposed my forehead a few years ago. After that I have been tightening the straps like crazy, but that is not very comfortable.

A light enduro full-face does a better job, but vanity wont let me be the only one in the forrest wearing a full-face.
Though, even on a normal trail-ride, I always find a some gnarly stuff to ride, after all that is what I enjoy the most. Then this kind of helmet is the best compromise, for me at least. I have the fox version... Even bought one for my kid, makes me feel better about taking him on a ride as well!
  • 3 7
flag dchill (Apr 3, 2024 at 9:27) (Below Threshold)
 @thevids: these are for the people doing drops and jumps where the chin bar from a full face blocks your veiw when trying to spot your landing.
  • 4 3
 @fluider: Yes for all of my enduro riding, I wear a Fox Proframe. I am a fairly strong pedaller too, as I also ride XC, I don't just slowly winch up the hills. I wear a Giro Montaro MIPS for my XC riding, which many would say is a little on the heavy side for that kind of riding, but one of these once saved my life when I was hit by a car so I'll happily accept the small penalty.
If I am on the Enduro bike, I wear my Proframe, as I fully appreciate the short comings of my open face in terms of protection, so I agree with you in terms of the benefit of the 3/4 compared to open face, the part I don't understand is why if you are riding aggresively enough to justify that extra coverage, why you wouldn't want you face and jaw to be covered too? I go OTB as much as I fall off in any other direction, so why would I not cover the front of my face too?
  • 2 0
 @Jmac888: Sure I'm wearing FF helmet when riding aggressively or trying to do so :-) on the local DH trails. But I am seeking for much better fit and protection helmet than half shell can provide because I don't want to ride suffocated by half shell helmet straps.The 3/4 simply sits on the nut :-).
  • 2 0
 @fluider: Have you tried wearing it on your instead. You can always get a 'box' to protect the crown jewels.
  • 43 7
 Honestly, I don't see the point of 3/4 Shell Helmets. For the same or lower price and a little bit more weight I will definitely keep with the convertible helmets. They're lighter without the chin bar and you have a true full face protection when you install it.
  • 32 1
 Yeah, with you on that. I face planted badly the other week, the second time it's happened in 3 years and there is no way this would've made the outcome any different. I just reach for the full face now when doing anything with slightly higher risk, may look like a tool riding up the road to the trails in it but I also look like a tool anyway so it's no different
  • 8 1
 Well, I like the option and don't see it as a replacement for a full face but rather as a safer half shell. Depending on where I am riding i usually ask myself upfront: Would I rather crash in the Gyro Tyrant or the Troy Lee A2? Tyrant, except for the hottest of days.
  • 6 1
 I’d say I agree, but I don’t see it as that. I’m curious to try one for a winter/night riding setup. Still breathable but keeps the ears a little warmer, just more coverage in the rougher weather. But they’re just goofy expensive because they’re trying to be a full face. All of them are in full face money when they should be in half shell money.
  • 7 1
 @bonfire: You live in country that is perpetually on fire and is hot at christmas /s
  • 4 0
 @watchmen: it is also home to two of the highest rainfall places in the world, NZ is all over the show. Hot at Christmas is whack, I’ll concede.
  • 12 0
 @bonfire: Not going to lie.....thought it was the Aussie flag. My shame is immense......you may call me English as redress.
  • 3 0
 @trippleacht: I would always rather crash on a full face... Have you tried any convertible helmet? I just think they make a lot of sense for hottest days as well, I use them in all seasons, although I would agree that the only handicap is that you're conditioned to carry the chin bar in a backpack during the climbs... In my case I'm a backpack guy anyway so no problem for me jaja
  • 2 0
 @bonfire: Cut your ears, problem solved, no more cold ears. Just kidding! That's certainly a point to consider... The thing is that in my opinion it's not worth to have a specific helmet for cold weather, I'd rather use a buff of a helmet inner cap. Prices are crazy.
  • 7 3
 Or you go for our 3.0 Enduro helmet, which is 3 in 1: www.pinkbike.com/news/review-leatts-3-in-1-mtb-enduro-3-helmet.html
  • 15 0
 I want to retain the ability to sweat like I'm wearing a full face but have the freedom to lose my teeth if I crash badly enough
  • 1 0
 @leatt: I would, but I can't find any to try on in Wales
  • 1 0
 @trippleacht: I have an ear problem, where cold air in my ear makes me feel a bit dizzy. Does the Tyrant do a good job of keeping the wind out your ears?
  • 4 0
 Honestly they just feel a lot more secure on my head. Normal half shells move around a lot unless you crank the dial which is uncomfortable.
  • 1 0
 I love how helmet choice depends on weather & not only on the trails. I have a "winter" full-face (661) vs. a summer (Kali). The open-face is for summer XC, and the Invader does XC duty in the winter. It's all about the ears! Wink
  • 2 0
 I like my OG dropframe. since the ears are fully open it cools the same as a normal half shell and I feel like it offers the tiniest bit more protection than a normal half shell. I don't understand why everyone has switched to enclosed ears with the wraparounds. it's a stupid design. I might snag a new OG dropframe while they're still available cause I love that helmet and the new design sucks.
  • 1 0
 same could be said for half shells but I don't see people ditching them for a fullface anytime soon
  • 2 0
 @deli-hustler: Earplugs? Also good if your bike is loud AF. A cheap solution to many issues in life.
  • 4 0
 I didn't see the point of them until I got a ebike in December and fell off it tackling a steep technical climb! A slow rolling rearward crash does make you think about coverage to the side of your head, while still death gripping to a handlebar and laughing at your new way to fall off a bike. So my inner Dougie Lampkin can't wait to try one out soon...all else fails it will make a great winter helmet.
  • 1 0
 @BenPea: I did try one of them under helmet skull caps, it was alright but I felt a bit self conscious in it
  • 2 1
 @sewer-rat: Looking like a tool with a full face helmet? I don't recall any motorcyclist thinking this just when they enter an urban area where a pisspot helmet would have been sufficient. Open ended spanner or ring wrench, one may be more convenient in one situation than the other but when both do the job, they both do. And they'll still look like a tool.
  • 1 0
 @vinay: yeah pedalling up through town with a full face feels a bit weird but it’s the right thing for me when I’m off road, my proframe breathes nearly as good as a half shell too
  • 3 1
 @sewer-rat: Oh yeah, but my point is that one shouldn't feel a need to defend themselves for whatever protection they wear.
  • 2 0
 @vinay: ikr, you don't know where a person's been
  • 1 0
 @deli-hustler: I have a similar issue with cold air, not always but sometimes. Used to keep a set of ear plugs in my bag. On road rides I found it a lot worse, would wear ear bud headphones but not playing anything. Just needed the wind to not be going directly into my ears. Which is why I’m semi considering one of these 3/4 helmets for winter/night riding, but they’re just priced in the wrong market for me to just try.
  • 1 1
 @BenPea: When people spontaneously start to defend themselves even when you're not asking, that's where it gets fishy.
  • 1 0
 @vinay: I have nothing to hide, what are you saying?
  • 1 0
 @BenPea: Ah sorry, I'm losing track of what this discussion is about. It seemed to me like @sewer-rat felt a need to defend himself for wearing a full face on a section where it wasn't that necessary, for which I mentioned that there is no need (to defend himself). I think I misinterpreted your comment as I don't understand what "ikr" stands for so I think I went on a tangent that if people urgently go on defending themselves when there really doesn't seem to be an apparent need, there is probably something going on. But yeah, that was a wild tangent and I can't think of how it could have something to do with full face helmets. Cheers!
  • 2 0
 @vinay: I believe it was about picking a helmet and being a dick about it.
  • 1 0
 @watchmen: Those are beautiful discussions as no one needs to be convinced yet everyone keeps trying. I'll get my popcorn first, then I'll go back and read it from the top. Cheers!
  • 1 1
 @vinay: "I Know Right". Come on boomer.
If in doubt about understanding anything I say, search my posts for dodgy inuendo or random tangents that are unequipped to enable comprehension.
  • 1 0
 @escaqimat: I have a Giro Switchblade and to be honest once the temperature gets into the mid 20's C (90+% humidity) i find it too hot to trail ride without the chinbar. Descending is fine with the chinbar and the MIPS does help with cooling.
  • 2 0
 @nrloewen: I agree. I have a switchblade for winter riding and a Maya 3 for the summer. The Maya, despite not being the best vented, defo runs cooler than the switchblade. Especially once the temp gets into the mid 20's (C)
  • 32 5
 It's already April 3rd.

Is this announcement two days late?
  • 2 1
 haha.
  • 30 5
 hot and no proper face protection

3/4 helmets are the worst of all worlds
  • 1 8
flag dchill (Apr 3, 2024 at 9:31) (Below Threshold)
 these are for the people doing drops and jumps where the chin bar from a full face blocks your veiw when trying to spot your landing.
  • 20 1
 The helmet 9 out of 10 dentists recommend... ... because they just bought a boat.
  • 5 2
 Dentists recommend it to clients because, you know, keeps them in business in case of a face plant
  • 9 1
 Calling it the Jethro just makes me think that Denzil Pemburthy will be wearing it. (I realise that this is a very niche comment that probably only a few UK people will get...)
  • 2 0
 Showing your age lol
  • 2 0
 Well, the trains aren't stopping in Camborne today...
  • 3 1
 *Jetro

No 'h'
  • 1 1
 Now I can play my flute, and do sick tricks (like standing on one foot), while having adequate protection.
  • 13 3
 3/4 helmets are simply a fashion trend and offer little additional protection. Change my mind.
  • 2 0
 Not a very good looking fashion trend. I look like a tool in my dropframe but I pick that helmet more and more because I do feel more protected and it stays put much better than my half shell.
  • 11 2
 Getting strong Ronnie Mac vibes. Wich isn't necessarily a bad thing.
  • 2 0
 Came here looking for the Ronnie Mac comments!
  • 8 0
 Still not a fan of these halfway helmets, they just look kooky to me
  • 4 0
 I'm a fan of the 3/4 shell in place of my old half shell, Fox Dropframe is amazing. I have no reason to wear my half shell unless I'm out with on the road with kids or something. A good 3/4 shell gives you much better head coverage without any ventilation penalty. Those saying there is no point to this have never ridden with one. There are tons of people who don't want to wear a full face but welcome more protection.
  • 5 0
 Illusion of being protected as a USP says just enough about critical thinking level of the masses
  • 2 0
 Historically, this sort of helmet was used by trials moto riders, because they had to always see exactly where things were, usually quite up close, and still needed "most of the rest of their head" safe.

I've been wearing a FF helmet exclusively on all my rides for over 5 years now. Personally I don't see the appeal here, but I guess for people that are wanting more coverage than a normal half shell, its good to have the option.
  • 2 0
 FF is hotter and more annoying to drink with when you are just wearing it for extra safety. I'll likely swap my half-shell for a 3/4 when it needs replacing. FF is a little much for my local trails, but I feel safer when jumping and pushing the pace with it.
  • 2 1
 This is a sensitive crowd, and if I don't get the right answer then it's hidden in Downvote Hades (coincidentally abbreviated to DH).

I think it looks goofy, but am for more protection on the side of the head. But if you're going this far, will it be much more of an inconvenience to have a full face?
  • 4 0
 I don't always ride e-bike and enduro, but when I do, it's on dirt
  • 2 0
 We call 3/4 helmets the Helicopter Pilot. When I wear my big helmet, it's to protect my jaw and teeth as much as anything else.
  • 3 0
 Bloody hell, I hope they know train don't stop Camborne Wednesdays!
  • 1 0
 Bleddy hell, you're right...
  • 7 3
 Just wear a FF FFS!
  • 1 7
flag dchill (Apr 3, 2024 at 9:31) (Below Threshold)
 these are for the people doing drops and jumps where the chin bar from a full face blocks your veiw when trying to spot your landing.
  • 4 3
 its a no for me... for same price you have a D4 carbon that will protect your chin!!!!!!!
  • 2 0
 Bluegrass. Jet(h)ro.

So of course it’s all French dudes…
  • 2 0
 Ronnie Mac has entered the chat
  • 2 0
 "I'm The Juggernaut, Beaaatch!"
  • 1 0
 Signature Ronnie Mac addition. Should cost $69, and is 6 to 9% more effective in a crash than a half lid
  • 1 0
 Photo close ups of people's faces in the air doing tricks, is what peoples faces look like while pooping.
  • 2 0
 Look ma' - can ride bike without teeth
  • 1 0
 Ear covers on the helmet hide the burning embarrassment about the gushing endorsement.
  • 2 0
 Leroy Jetro Mips
  • 1 0
 They look like rally drivers. Wrooom!
  • 2 0
 I love 3/4 helmets.
  • 2 0
 Short bus vibes
  • 1 0
 NEVER go full retarded. 3/4ths is just tits.
  • 1 0
 you @bluegrass-eagle where in Canada can I buy a Vanguard?
  • 2 2
 Breathe new life in your old fullface with cracked mouthguard!
  • 1 0
 $450 Dollarydoos?!
  • 2 0
 Next year on RCZ for 45€.
  • 1 0
 Almost not pointless
  • 2 1
 FF FTW
  • 1 1
 So basically the same price as my Proframe RS but with less protection.
  • 1 0
 'Never go full enduro'
  • 1 0
 euro steeze
  • 2 2
 Canned responses ?
  • 1 0
 What is riding "in dirt," anyways?
  • 1 0
 @therealmancub: DJ







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