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Chain suck damage

Old 09-17-23, 11:25 AM
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Chain suck damage

Hi All,

Apologies if I am posting in the wrong area.

I annoyingly had a chain drop yesterday on a bike Iíve ridden for less than 1000km. The chainsuck plate is gone and now the bikes looking scratched up.

I am planning on buying a new chainsuck plate and gluing this over, but should I have the damage assessed first?

How can I avoid this happening in the future? Just 1 accident and Iím worried the carbon is exposed!

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Old 09-17-23, 12:14 PM
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You should figure out why you dropped the chain and solve that. Though occasionally most everyone will drop a chain no matter how well kept and adjusted everything is. Sometimes you drop chains because of bad shifting habits.

To tell you what might have gone wrong will be lengthy. There are many causes. So without more details of what was going on at the moment and a confirmation of whether it was dropped from the front ring or not I'll just say it happens.

My carbon bike has scratches on it in various places. I'm not worried about it. How bad are the scratches on yours?

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Old 09-17-23, 01:32 PM
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Since I don't own anything with a carbon frame, the chain suck plate was a mystery to me. It seems to be on carbon frame bikes to keep the chain from chewing up the frame. There are lots of posts online about either destroying it by chewing it up or just having it fall off. Replacements are available from the bicycle manufacturer or online stores. You don't show the brand and model you own and with only one post you can't add pictures to your post until you reach 10 posts. Here is some suggestions on how to glue a new one on
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Old 09-17-23, 02:13 PM
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i've not had it happen with a carbon frame, but if it does drop the chain it has this:

Before the first ride I checked to make sure it was set where I wanted it & also to check it for its hardware being tight. First check caught the later to be rather loose.

You might consider including something like this:
-Oh Hey!
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Old 09-17-23, 03:18 PM
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If the paint is gone and the CF is just scratched, I wouldn't worry. When you can post pics, please do.
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Old 09-18-23, 11:42 AM
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Make sure your bike is maintained well and properly adjusted always. Don't say oh I don't need to do it or whatever just get it done. The stuff you will do at home regularly is keeping your chain clean and properly lubricated and keeping the bike clean and properly inflated. You might bring it to your shop for making sure your derailleurs and shifters are properly adjusted, your cables and housing is not damaged or rusty or not properly set up and all the other stuff. However you can also learn it yourself but the key it making sure everything is properly adjusted and not worn out.

Also practice good shifting, don't shift while climbing a hill or putting in a hard effort shift gently and be careful dumping a bunch of gears at once. Don't be rough with your components and they will last longer.

One final note, cheaper components will not hold their tune as well and will generally need more frequent adjustment and replacement. In general for any bike you want to bring it in for a tune up every year but if you are riding more often maybe every 6 months to a year and potentially similar or shorter intervals if you are running really low end componentry.
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Old 09-18-23, 12:25 PM
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when my MTB had chain suck, the chain didn't fall off, it got stuck between the chain rings & chain stay

a thorough chain cleaning alleviated it. the chain suck sometimes came back. eventually, due to wear & age, I had the drivetrain replaced (chain rings, cassette & chain) & haven't had any chain suck issues whatsoever since then
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