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- เผยแพร่เมื่อ 1 ก.ค. 2024
- Review of the Smith Mainline.
Buy the Smith Mainline - smithoptics.pxf.io/DVJzra
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With 21 vents, can this full face helmet be worn all day on mountain bike rides? We test the Smith Mainline and see how it performs on hot, humid days on the trail.
Smith Mainline - smithoptics.pxf.io/DVJzra
#mountainbiking #mtb #enduromtb
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0:00 Intro
0:32 Smith Mainline Specs
1:27 What is Koyord?
1:57 How does it fit?
3:03 Where we tested the Mainline
3:32 What is good about the Mainline
5:44 What is bad about the Mainline
8:11 Final Thoughts on the Mainline - กีฬา
![[MIRRORED] LISA - ROCKSTAR 🎸 MV version #LISA #BLACKPINK #ROCKSTAR](http://i.ytimg.com/vi/-U58DuCCtZk/mqdefault.jpg)
Great review. Double D ring is the safest. They never break loose at crash. All motorcycle helmets use D ring. In riding situation where you want protection of a full face helmet, you probably also wants D ring on it.
Motorcycle helmets in the *US* primarily use D rings. Other countries have mostly moved on to metallic ratchets which are just as good and operable with gloved hands. That's one of the big reasons I got my Shoei GT Air 2 :)
This isn't for motorcycles. It's for mohntian bikes 😂
This is the best, most thorough review of a full face helmet I've read. I just picked up a Smith Mainline for myself for all-around trail riding thanks to your review.
Thanks Phong!
Love this review, it's really awesome. And I bought that helmet 😁 thanks for helping me :D
Own one.
'FANTASTIC HELMET.'
Like yourself I probably needed a size up, but a Full Face is all about a snug fit.
Upon removal I just remove the cheek padding, easy x2 stud removal each side.
Concur about Chin Strap, though Helmet such a snug fit wear unstrapped, with strap retracted in strap sheath.
I usually don't wear a helmet so this purchase was a lifesaver.
As for ventilation and weight this Helmet kick's ass.
Plus as for look's Unsurpassed.
Very happy to attack any terrain confident in protection capability.
TOP Pro MTB Rider's made request's for a helmet to tick all the boxes.
This is the result.
BUY ONE.
Raptor Rob
Excelent review man! I just bought mine yesterday, coming from a Bell super 3 r I hope this smith is a good improvement.
Thanks Mario! Let me know how it works out for you.
Fantastic review!! Coming in the mail.... My first FF, think I can wear my normal Smith shades without an issue or only goggle compatible?
amazing review, very detailed and informative, it really looks like you put a lot of time doing these, congrats and thank you! zeroing in on the Smith and the POC, checking out the comment section as well.
Thanks Deny!
great review, did the mips noise eventually go away?
estoy a casi nada de comprarlo .. se ve muy bien gracias por sus comentarios .. creo lo comprare en blanco
Great review man.
Thanks!
The Helmet and Google combo is🔥🔥🔥
great review i agree this helmet vents well. I installed a D RING QUICK RELEASE W/ RACHET ADJUSTMENT. no more fumbling with D ring with gloves. cost less then $20.
I'll have to try that out!
Best review on TH-cam
Thanks!
Can you do a long term review of this helmet?
Nice review man. I'm pretty much sold on this helmet as my next one for trail riding on my 2-stroke, as well as some moto enduros. It gets super hot where I'm at (95 degrees at an enduro race last weekend) so I need all the venting I can get.
Yea I know, these helmets are designed for MTB, but looking at some MTB downhill videos. you guys travel downhill at speeds WAAAAYY higher than I'll ever dare on my KTM, all while doing crazy stunts. If this helmet is good enough for that, it's good enough for me.
I think they are more designed for MTB (completely guessing) because mountain bikes need more ventilation because we have to climb without a motor. My DH helmets were just as good as the moto versions. If you aren't crashing above 40 mph...you are good to use both I'm sure. Moto helmets have a higher crash speed to account for for certifications.
7:40 the thing I hate about this is that the strap could go out of adjustment, so I guess you could sew it so it does not.
I've been using d ring buckle for years, I don't have any troubles with closing or opening it, unless it gets icy, but the warmth of your hand in 1 minute or so fixes that.
Great review, while I've been looking at some full face helmets, it's great to hear how well vented the smith is and how custom fit it is. I'd definitely agree that the D strap is a turn off.
Have you consider trying the Fox Proframe, Troy lee design Stages or bell super air R?
Mike. I want to get my hands on the Fox and the TLD for sure. The POG is up next.
The great thing about my fox proframe helmet is obviously the ventalation but also the magnetic buckle strap thing they have it just makes it so much easier to take off after a long climb or descent
With the vented full face helmets, it is really important to be able to get it off quickly and easily I have found. I love the idea of the magnets with the Fox.
Magnetic buckle is really great and easy, but D-style one isn't that bad when you get used to it. Most of the time you can remove the helmet without actually undoing the strap completely. The opening is large enough to go infront of your face. Next time you put it on your head you only have to tighten it up and snap the button in place.
These look so good !
James. They did a great job on the styling and function on the Mainline.
Awesome video mate
Thanks Charlie!
Just got it in the mail. It's nice, however the strap is too far back and chokes me. Maybe need to size up?
Bough this today to replace a damaged proframe. Very happy with it, aside from the D fastener its damn near perfct. i fiddle a little to get it off like you mentioned but ill take it!!!
Sounds like you are having the exact same experience I am. Glad it worked out!
I’ve started to Ride Rotorua more often and Im thinking maybe I should start to wear a full face - the Mainline would be my helmet of Choice
I do not agree in one point. I've heard a lot of users complains about D ring. Everybody say it is hard to do and undo the latch. But YOU DON'T NEED TO DO THAT. When you want to take off the helmet, you just need to loosen the strap by pulling the red flag or just twisting the rings, do not disconnect it. If you learn how to use this D ring, you will find it is in fact more usefull than other clips. You can even easily adjust the fit of belt during ride depending on which track you are. Believe me. There is a lot of videos on YT explaining that. I"m wearing now a 100% Trajecta helmet with D ring and I love it.
I currently have two SmithOptics Forefront II helmets.. I want extra protection from side impact because i'm only 6" off the ground on a Fast Recumbent Tadpole trike.. I was hit years ago when a driver ran a RED LIGHT, (while texting).. I was hit from the side.. The ER doctor told me that the MIPS and Koroyd saved my life.. He also rides with the Smith Forefront II... I'm a little disappointed that the new Mainline doesn't have a quick connect chin strap.. And the fact that the Sun Visor is useless because it is intended for leaning over the handlebars.. I'm leaning back in a recumbent position... SO.. it would have been nice if the Visor was more adjustable to lower it to block the sun.. Smith makes helmets intended for only one rider in mind.. I wish they would consider that other riders need an adjustable visor. and many Goggles are not compatible with helmets. the Helmet is supposed to come down just over the eyebrow. This protects against impact to the front of the skull .. So riding with the helmet shifted back to accommodate the goggle is dangerous if you hit head on..
I'm confused, my head is 57cm, now I don't know whether to buy the M or the L. I can't taste because I have to import it.
Great review, thank you! I'm hesitating between a full-face that I can remove the chin protection or just a complete full-face like this one. Since it offers a great ventilation, I might consider it. Most of the places I go I need to climb so I don't want a helmet where I can hardly breathe and that I need to remove but on the otherside, I want to make sure my head is protected.
I’m also in between hybrid full face helmets or the traditional! I feel like I’m leaning towards the traditional which has me between the TLD or this smith mainline.. I was really considering the Bell DH helmet though!
Convertibles run the risk of failing since its a separate piece
Go full face
Id take a non DH rated Kali invader 2.0 over any convertible full face..
i got a bern skate helmet for low speed commuting and the smith mainline for just about anything else. im using it for onewheel gt. i also got a 3/4 moto helmet with removable chin piece and it is getting returned. Hopefully this helped, anybody know of some good otg goggles that wont break the bank?
That MIPS squeaking noises get worse with time, but I have fixed mine with some soft fabric tape (made by tesa, but there are probably others). I have removed the MIPS plastic shell (it is attached with 4 rubber tabs) and taped the inside of the helmet with that tape. Then attached the MIPS shell back to the helmet and it now rubs on the tape and not the foam directly.
It has eliminated the squeaking noise completely and I only hear a muffled noise from the slight movement. You have the same noise on most MIPS-equipped helmets.
You have to be careful with these rubber tabs, but they come easily through the holes of the MIPS plastic if you twist them slightly. Removing the padding also helps.
The new Trigger FF MIPS has, what seems to be, an updated MIPS shell design with some different rubber attachments that are probably designed to eliminate/reduce the noise. I expect more helmets to integrate that new variant in the future.
Other than that, I find the Mainline very comfortable, much more than my old Bell SuperDH (which had cracking noises, due to the convertible construction) and it's not heavier. Haven't ridden it much yet, so can't comment on durability.
Great idea. I might have to try that one out.
The mips sound is really horrible. 😢
@@NK-mi2yn Mine is still doing fine with that "fix". I had to do another fix to the helmet though: the plastic screws for the visor were getting loose all the time, so I decided to apply some blue loctite thread-locker. It was a bad idea - somehow this made the screws very brittle and they both snapped in half. Replaced them with some metal screws with flat heads. That was the night before a race... Despite these issues, I would buy Mainline again if I need a new helmet.
@@ivan.rusanov do you have a link or picture of that tape?
@@NK-mi2yn I think it was tesa 51608, but I guess other cloth/fabric types of tapes would work too. Probably any tape that does not produce a squeaking sound.
Solid review, I actually went down pretty good the other day and face planted resulting in some swelling around the eyes and a gashed chin and nose. I was wearing my Bell Super DH but didn't have the chin guard with me because it was supposed to be an easy ride. I'm now looking at this as a new helmet and was wondering if you have strapped a GoPro to it? The Bell Super DH sounds horrible on camera because of the mips, I'm hoping the Smith isn't as bad.
Thanks Jessie! Sorry to hear about the wreck. It was fine below the chin bar. I have not tried under the visor.
@@Bike198 Thanks for the reply! Can I ask how you mounted it to the chin bar and if you still wear it on all the ups?
Zip ties with a mount. I did wear it on the ups. Didn't get in the way too much.
Love the helmet, hate the D-rings. However, Smith has reasons for this...security. D-rings stay on, no matter how hard the crash. I’ll keep mine. My Smith goggles work perfectly with this helmet.
Great video do you know of any similar helmets with shorter chin and visors?
Look at the Troy Lee Designs one. Most of the helmets in this category are pretty similar in overall measurements though.
Would you see yourself using the Smith Mainline over the POC Coron Air Spin when it come to aggressive trail riding? Its a toss up I like the POC and the Smith but I don't have any DH parks near me and its mostly just trails but I really like the idea of a FF helmet. I'm mid west US aswell so temps are all over the place though out the year.
Check out kali invader 2.0
Sounds like a better match
Aggressive trail riding...I would go with the Smith more than the POC. The extra ventilation would help out a lot.
I’ve watched both this video and the poc video and I’m still on the fence about which one to buy. I live in the uk and the temperature never really gets that high which is kind of making me think I’d get away with the poc helmet but I really like the smith but it’s that d ring that’s putting me off I have a d ring now and it is so annoying if it wasn’t for that it would be smith hands down. Enjoying the videos though keep it up
That really is the only true drawback of the Mainline for me as well. Even when I have both...I run into the same problem you are having when trying to decide on which one to buy.
@@Bike198 I do think I’m going to go smith mainline now I do really like the poc but I just feel if we do have a hot day here the smith would be better also I think the poc is still more suited to park days which I already have a Troy Lee dh for them shuttle days. If I need to replace my dh one I think I’ll then look at the poc one. And I’ve also bought a smith convoy just for leisurely rides with my mrs where a full face isn’t needed. Your reviews have been a big help with my decision thanks for making this content 👍🏻
Good perspective. That is not the same Rail 9.8 you talked about a couple of months ago, it looks like it may be a 2021. Do you plan on doing an in depth video on that? I have one on order, still 45 days out
Keith, it is the same one. I upgraded the control unit from Purion to Kiox. That is really the only difference between the 2020's and 2021's. I didn't like the control unit on the bars like it was. Luckily it was a super simple upgrade.
@@Bike198 Any expanded thought on the Rail? I was fortunate enough to ride a friend's 2020 9.7 for 8 days and loved it, but I am growing impatient with the covid induced delay
I am going to soon. Long story short...it has been great. The COVID waiting period on bikes is horrible right now! Everything is out of stock with long waiting periods.
I'm wondering, do you guys know where you can buy a shilt for this helmet? (that thing which keeps eyes away from sun xd)
Hey man! Happened to run across your review because I was looking for a good review on this helmet. Love your content and quality of your work!
I noticed you also live in Georgia and ride a lot of the trails I ride. I'm actually a filmmaker mainly shooting weddings right now but looking to get more into filming mountain bike videos as well since I'm always on the bike. Really just looking to have fun with the camera while out riding. 👍 Let me know if you need any help shooting b-roll out on the trails for your videos and I can bring my camera gear and meet you. I found you on Instagram so let me know if you're interested and I'll DM you there. Thanks!
David. Thanks for reaching out! That is something I would be interested in for sure. It's really hard to get good footage out on the trail.
@@Bike198 Awesome! I just sent a message to you on Instagram. 👍
Hi, great review! What’s your head circumference? mine is 58cm and I’m not sure if I should go for a medium or a large. Thanks!
He said It in the video in the begining
@@robertletsche9492 thank you! It's so hard to decide for one helmet and I have watched so many reviews today, I actually forgot that he mentioned that.
What size did you end up going with and how does it fit?
@@alejandro9rojas After I orderd both M and L sizes, I ended up keeping the L because M was way too tight on the head.
@@alexbuca7690 awesome man thanks! You just saved me some trouble haha
This technology just caught my attention, I’m a downhill free rider and I’m looking for a new helmet and I saw that the Smith Mainline has this technology, how Koroyd will behave in case of multiple medium to high impacts? As a downhill rider you go down hard but you stand up and do it again and maybe go down hard again. Is koroyd a technology that will allow to do that or after the first free ride crash the koroyd will compress and compressed and after so many uses the koroyd will become flat? Or should I go for. Let’s say a bell 8 fusion that many pro riders and rampage riders are using?
Adrenaline, if I hit hard enough that the helmet can be compromised (any helmet)...I am buying a new one. Even the Rampage guys will swap out helmets after a hard hit.
Just picked one up but sadly have to return it... Got the L for my 59cm head but the paddings are pressing my ears and forehead regardless on how it's set up. Sure the MIPS does make some noise but I believe it's just to get used to if I'd keep it.
Helmets can be funny that way. What fits great for one may not work for another. Thanks for providing your feedback here.
Hmm I was always told to size down if between sizes, I just got the "M" Smith Mainline, I must say it is a touch tight, just a wee bit, has you padding broken in at all..?
It does break in some.
I've never worn a fullface helmet. How's the hearing with it? Can you still hear birds in the forest, oncoming riders, talk to your mates, or even ride in traffic? Or is everything muffled?
Amazing review, btw!
Helmets like this one with a lot of vents are much better at that then full out DH helmets. They are more of a blend from half shell and FF. I have no problem hearing everything outside with this one. It is slightly muffled but not so you can hear anything clearly.
@@Bike198 Thank you very much!
So I went with the smith mainline and I’m really happy with it but does anyone have any ideas on fitting GoPro mount I normally use go pro or the Insta360 camera
I typically run a chest mount. There is a clamp on Amazon that works really well for the chin bar or you can try under the visor.
Planning to get one and my size is also 58cm, so did change for size Large? Even with the included pad, is the medium size still very tight? Thanks
I ended up keeping the large. The medium was too tight across my forehead. It was giving me a headache.
I've head that the crumple zone thing reduces air flow, so this has been a complaint I saw in other reviews.
I really didn't notice it all that much. I think there are so many wide vents that it makes a difference over a helmet like the POC that doesn't have as much venting.
@@Bike198 thx, for sharing your experience.
is DD ring sytem in bike helmet is the worst choice?
How does this compare with the Poc FF? I'm debating either this Smith Mainline or the Poc Coron
So far...the Smith vents better but the POC is quieter and has more of a transitional full face feel. I really like the fact that the POC went with the buckle strap for longer rides.
I’m sure the POC is way hotter though. It’ll be impossible to wear in the summer
Nice video!
Isn't it possible to put goggles under the visor?
I have before. I don't like doing it all the time but it works.
@@Bike198 thanks
how is this helmet with the new smith rhythm goggles?
They should work really well. Smith is great about keeping their products working together well.
I want a helmet that's DH rated and heavy duty enough for bike parks, but also comfortable enough for longer rides, is the smith going to be worth it? Currently $120 off where im at
yes. It is certified.
Hey mate, really good video. Just wondering if you've had any experience with the Bell Super Air R MIPS Full face and how it compares with the Smith Mainline? Any info on this would be appreciated. Thanks
Eli, I don’t. I haven’t used that helmet before.
All good man. I’m going to go for the TLD Stage anyway I think
Super Air is very light and is convertible, but that's the only advantage. It's a helmet that I would be reluctant to trust myself for full-on enduro. My brother has one and the padding on the cheeks is really minimal, the whole helmet looks and feels like a plastic toy. The chinbar tabs got loose over time and are rattling now. If I wanted a really lightweight fullface helmet, I would probably get IXS Trigger FF MIPS. It seems better than the Bell, more comfortable and it is also lighter (my brother just got it to replace the Bell Air R helmet).
@@ivan.rusanov Thanks for the information Ivan. I ended up buying a TLD Stage helmet and love it. It carries all the downhill safety ratings and is light and vents well.
@@elilaw1377 TLD Stage was one of the options in my short list, but decided to buy the Mainline, because it was discounted here in a local shop and I could try it first. M was too small for me, L fits fine with the middle-sized cheek pads. My head circumference is around 59cm. The Stage should be nice helmet though!
What was the thing that smith goggles fit better to this or what?
The helmet manufactures generally make the googles they make go flush with the top of the helmet for better air flow and aesthetics.
What goggles are those with the rad strap!??!?!?
Melon's. You can customize a lot of the options on them.
The sound when I shake my head um I just taped the mips to stay quiet 😂😭
Good idea! I can't see tape from keeping it from working.
I think that of smith changes the strap the helmet would lose the dh certification, I’m not completely sure if this is true but I think over heard somebody say this
Ben. The POC and TLD ones are certified without the d-ring.
@@Bike198 oh right, thanks for the info, it’s a bummer they have a d-ring, something like the fidlock on the fox proframe would be nice
I agree. It’s an awesome helmet that would be close to perfect with that.
Size? S, M or L?
Great review. So you are 58 cm and you ended up with L size? Am I right?
Correct.
I'm at 23inches which is 58.42cm.. And you swear to recommend a Large size? :)
Helmets are weird. My head measures 58. The large was massive on my head. The medium with the thinnest pads was perfect.
3x outer shell sizes for 245£ ... For this price I can get full face shoei motorcycle helmet that has 5x outer shells. Common the price is insane!
Visor screws broke easily, otherwise ok.
I think getting a bit of light in the background could help the video
Thanks for the feedback Raul.
I feel I’d wear this helmet more if it had a click-in chin strap. I’m going to condition myself to getting used to it, with the goal of wearing it most of the time.
Completely agree. You do get used to it after awhile but it does take longer.
Virginia tech test man
your on an e-bike though so is it really a 8 mile climb in terms of effort, no
Still puts the heat to a good test cause of the humidity and most people looking at this helmet aren’t gonna do super serious climbing with it on. I’m just looking for a good dh rated park helmet that’s fine for east coast humidity
@@cparm08 excuses excuses 😴
Your helmet is too loose if it moves that much.
It's the MIPS. They all do it to some extent. MIPS actually just released a new version that is more integrated and doesn't do that.
6:15 ewait what? You're literally demonstrating the system reaching its limits. Even in the smallest imaginable accidents, that little force it takes is overcome and the system is rendered useless and literally (!) all force from impact goes to your head
Lost me at D-ring.
Its fake my m-size have 380g