Front Mudguard Rattling

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Jim77
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Joined: 20 Nov 2022, 1:13am

Front Mudguard Rattling

Post by Jim77 »

Has anyone got any tips on stopping a front mudguard from rattling?

It is on a road bike with dedicated mounting points.

It seems to be rattling at the 3pm position or the horizontal section if that makes sense.

Thanks

Jim
Jdsk
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Re: Front Mudguard Rattling

Post by Jdsk »

Please could you add some photos showing how it is mounted.

Jonathan
Jim77
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Re: Front Mudguard Rattling

Post by Jim77 »

Is this ok?
IMG_5105.jpeg
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531colin
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Re: Front Mudguard Rattling

Post by 531colin »

Jim77 wrote: 22 Sep 2024, 5:14pm Has anyone got any tips on stopping a front mudguard from rattling?..........
Yes.....tap the mudguard and find where it rattles. We can't tell much by looking at a picture.
Bike fitting D.I.Y. .....http://wheel-easy.org.uk/wp-content/upl ... -2017a.pdf
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Remember, anything you do (or don't do) to your bike can have safety implications
geocycle
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Re: Front Mudguard Rattling

Post by geocycle »

The obvious things first, check the bolts attached to the mudguard and attached to the fork. If it still rattles take the wheel out and check the attachment to the fork crown. If all tight, check the brackets are still securely riveted to the mudguard. If a rivet has pulled through and you don’t have a riveter I’d put a short both through.
Cyclothesist
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Location: Scotland

Re: Front Mudguard Rattling

Post by Cyclothesist »

Mudguards have a tendancy to rattle even when everything is done up tight. The chromoplastic ones can 'tick' and buzz anywhere they contact a bracket or stay. I've resorted to dribbling some wax dry lube on those points. It seeps in to the tiny gap and keeps things quiet for a while. If anyone has a better solution I'd be glad to know of it too 🙂.
peetee
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Re: Front Mudguard Rattling

Post by peetee »

The first place I check is the rivets holding the metal stay joiner plate and fork crown bracket to the plastic guard.
The older I get the more I’m inclined to act my shoe size, not my age.
PH
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Re: Front Mudguard Rattling

Post by PH »

geocycle wrote: 22 Sep 2024, 5:54pm The obvious things first, check the bolts attached to the mudguard and attached to the fork. If it still rattles take the wheel out and check the attachment to the fork crown. If all tight, check the brackets are still securely riveted to the mudguard. If a rivet has pulled through and you don’t have a riveter I’d put a short both through.
As you do the above, note that each time you undo a mounting point, the guard should stay in position. Front guards are not very rigid, so even with all the fittings tight there may be enough movement to rattle against something. If there's room, raise them higher off the tyres, look for any rubbing on the inside of the forks. It might also be possible to add a rubber washer/s at crown mounting. It can be infuriating finding the cause, good luck.
axel_knutt
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Re: Front Mudguard Rattling

Post by axel_knutt »

Is that a plastic safety release on the stays? Is there any free play in that?
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Cyclothesist
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Location: Scotland

Re: Front Mudguard Rattling

Post by Cyclothesist »

axel_knutt wrote: 22 Sep 2024, 6:20pm Is that a plastic safety release on the stays? Is there any free play in that?
They get the wax dry lube treatment too.
mattsccm
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Joined: 28 Nov 2009, 9:44pm

Re: Front Mudguard Rattling

Post by mattsccm »

Something I discovered by accident. A kink in the stays stopped a small rattle.
Cyclothesist
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Location: Scotland

Re: Front Mudguard Rattling

Post by Cyclothesist »

mattsccm wrote: 22 Sep 2024, 9:41pm Something I discovered by accident. A kink in the stays stopped a small rattle.
Now that's just disturbing! 🤔
axel_knutt
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Re: Front Mudguard Rattling

Post by axel_knutt »

Cyclothesist wrote: 22 Sep 2024, 6:31pm
axel_knutt wrote: 22 Sep 2024, 6:20pm Is that a plastic safety release on the stays? Is there any free play in that?
They get the wax dry lube treatment too.
Lubrication doesn't eliminate free play.
“I'm not upset that you lied to me, I'm upset that from now on I can't believe you.”
― Friedrich Nietzsche
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531colin
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Re: Front Mudguard Rattling

Post by 531colin »

axel_knutt wrote: 23 Sep 2024, 12:22pm
Cyclothesist wrote: 22 Sep 2024, 6:31pm
axel_knutt wrote: 22 Sep 2024, 6:20pm Is that a plastic safety release on the stays? Is there any free play in that?
They get the wax dry lube treatment too.
Lubrication doesn't eliminate free play.
How about "rattling quietly" ?
Bike fitting D.I.Y. .....http://wheel-easy.org.uk/wp-content/upl ... -2017a.pdf
Tracks in the Dales etc...http://www.flickr.com/photos/52358536@N06/collections/
Remember, anything you do (or don't do) to your bike can have safety implications
Cyclothesist
Posts: 900
Joined: 7 Oct 2023, 11:34am
Location: Scotland

Re: Front Mudguard Rattling

Post by Cyclothesist »

It does stifle the rattle without impeding the emergency release mechanism. If there's a better solution please share it.
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