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How do You Keep Your Helmet Chin Strap from Loosening?

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How do You Keep Your Helmet Chin Strap from Loosening?

Old 10-10-21, 08:46 PM
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How do You Keep Your Helmet Chin Strap from Loosening?

Have a new Specialized helmet and the nylon chin strap keeps loosening, so I have to snug it up after each ride. Any tips or tricks other than a safety pin - which is too dangerous for obvious reasons.
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Old 10-10-21, 08:59 PM
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Wow, that's a tough one.
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Old 10-10-21, 09:21 PM
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You could try something like an o-ring where the straps exit the buckle. My helmet had that but now that I look it is gone and it does loosen up.
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Old 10-10-21, 09:24 PM
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Could be that the strap is too thin. You can lace it with a thicker strap or lace a piece of ribbon material along with the current strap material. Had this problem long ago with US Army T10 chutes. Brand new upgraded straps were stronger, lighter, but thin and slick.
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Old 10-10-21, 10:22 PM
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keep the o-ring tight against the buckle, put a rubber band further up to keep strap remainder snug...
still gets loose, but takes longer...
no o-ring ? use 2 rubber bands
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Old 10-10-21, 10:26 PM
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Ditto, rubber O-rings. If they're snug enough without pinching/folding the straps, they'll usually help prevent the Y-splitter and buckles from sliding around on the straps.

Or use an awl or ice pick to punch a hole through the straps. After you're certain the Y-splitter and buckles are set to your preference, jab a hole under each, then insert a small zip-tie through the holes, snip off the excess, see if it helps keep the straps set. If you can feel the zip ties against your face, maybe some thread or dental floss through the hole will do.

Incidentally, most POC helmets have minimally adjustable Y-splitters. They just barely sit below the ear lobes. Some folks find this uncomfortable, but usually we can swing the Y-splitter forward or backward just enough to reduce discomfort. I suspect POC does this to prevent users from wearing the straps below their chins, which I've seen some local cyclists do. That probably compromises safety so POC's design seems intended to prevent that.
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Old 10-10-21, 10:56 PM
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I haven’t had a problem with my bike helmet, but in a similar situation where a strap loosens in a plastic buckle, I have used a plastic Tri-Glide.

Basically you remove the loose strap from the helmet side release buckle. Then put the strap through the tri-glide, back through the buckle as you normally would and then weave it again through the tri-glide on the outside back over the strap. It isn’t going anywhere and you can still make adjustments.

John
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Old 10-10-21, 11:33 PM
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Originally Posted by 70sSanO
I havenít had a problem with my bike helmet, but in a similar situation where a strap loosens in a plastic buckle, I have used a plastic Tri-Glide.
Basically you remove the loose strap from the helmet side release buckle. Then put the strap through the tri-glide, back through the buckle as you normally would and then weave it again through the tri-glide on the outside back over the strap. It isnít going anywhere and you can still make adjustments.
John
Great idea, except my helmets all have 2 loose straps on the adjustment side... I've only seen Tri-lock/glide buckles with openings big enough for one strap...
I had a bunch of different size Tri-lock buckles, mostly used in backpacking gear, and none are open enough to allow both straps thru...
We used to have a good notions shop in town which had a great array of stuff - now gone. The gearAid stuff REI carries is for 1 inch wide or larger straps...
Do you know of a source for ones that might fit?
Thx
Yuri
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Old 10-11-21, 12:42 AM
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small zipties work great for this
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Old 10-11-21, 12:57 AM
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As for the tri-glides, years ago I got some wider ones online that would allow a double strap thickness to feed through.

The other problem, on some straps, are the hemmed strap ends to prevent them from pulling through. I know when a strap is too long I’ll cut it and melt the end to keep it from fraying.

John
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Old 10-11-21, 05:43 AM
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The O-ring is what the manufacturer expects to solve this problem. I've had helmets where the O-ring does not reliably stop the strap from loosening. In that case, once I've determined the proper adjustment, I stitch the strap in place so it can't loosen.
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Old 10-11-21, 06:29 AM
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Dab of hot glue.
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Old 10-11-21, 06:40 AM
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A problem I never knew existed.
Tim
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Old 10-11-21, 06:54 AM
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I used to use duck tape

Then, I just bought helmets without lousy designed straps
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Old 10-11-21, 08:03 AM
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Yup, an easily loosened strap is super annoying on an expensive helmet when cheaper helmets dont have the issue.

One of my helmets, a Met Rivale MIPS, has a chin strap that is actually intended to tighten each time you put the helmet on. Its goofy compared to how Ive always had helmets, but I actually do like it now that ive done it for a season.
It used to loosen then during rides, but once I moved the rubber ring up to the end of the strap, it stopped loosening during rides. Now its perfect- easy to tighten and doesnt loosen.

If you never want to adjust it, just place a stitch thru the straps. That will hold it in place and you dont have to mess around with zip ties or whatever else.
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Old 10-11-21, 08:37 AM
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My helmet is 15 years old and never had such a problem and it only cost $ 40 dollars.
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Old 10-11-21, 09:18 AM
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one of mine is like this. I must have lost the o-ring that came with it. the rest of our helmets don't have this problem. I hesitate to suggest anything permanent because the adjustment changes depending on hair cut or what you might be wearing under the helmet. but for mine, I use a small piece of tape. lately the tape fell off so I've just been snugging it up after buckling it. not much of a nuisance
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Old 10-11-21, 09:35 AM
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Originally Posted by tkamd73
A problem I never knew existed.
Tim
This particular problem is very common on $ 400 dollar carbon helmets. Cheap helmets don't have this problem.
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Old 10-11-21, 10:09 AM
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^^^Thanks for clarifying. I've never had a high end helmet so it seemed an odd thing to be concerned about. Figured it was another of "those" threads. Anyway, seems OP has received some good suggestions.
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Old 10-11-21, 10:30 AM
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I have a POC helmet that loosened from day one; even with brand new O-ring. I simply flipped the buckles through the ear triangle twice to shorten them a little then put a speedy stitcher stitch in to absolutely prevent loosening. (Flipping the buckles through the ear triangles means I can loosen the straps to accommodate a cap or in winter a hat.) Put that stitch in 6 years ago and haven't touched it since.

Edit: I see mstateglfr beat me to it. And yes, that cost issue. My $60 Bells never slipped. The POC cost me $200.

Last edited by 79pmooney; 10-11-21 at 10:34 AM.
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Old 10-11-21, 11:05 AM
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Originally Posted by wolfchild
My helmet is 15 years old and never had such a problem and it only cost $ 40 dollars.
Wear the badge with honor.
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Old 10-11-21, 03:00 PM
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Originally Posted by wolfchild
My helmet is 15 years old and never had such a problem and it only cost $ 40 dollars.
Time to start saving then! You're going to have serious sticker shock when you go to replace that helmet.
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Old 10-11-21, 10:12 PM
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Originally Posted by tkamd73
A problem I never knew existed.
Tim
My old Giro did it, my wifeís new one does it and my new Specialized does too. Not that uncommon. You have been lucky.

I like several of the ideas and will give them a shot. Thanks guys.
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Old 10-12-21, 08:00 AM
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Originally Posted by rsbob
My old Giro did it, my wifeís new one does it and my new Specialized does too. Not that uncommon. You have been lucky.

I like several of the ideas and will give them a shot. Thanks guys.
Yeah, probably, My wife, kids, and the 2 other guys, I occasionally bike with have been lucky too. Not a big sampling though, so now I have something to watch for.
Tim
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Old 10-12-21, 02:00 PM
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No one mentioned a dab of hot glue?
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