# I applied thin shims and the string broke after 3 throws
**URL:** https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089
**Category:** General Yo-Yo
**Created:** [May 5, 2010, 11:45am UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089 "2010-05-05T11:45:15Z")
**Posts on this page:** 9
**Page:** 1
### Author:  [@blaaaa](https://forums.yoyoexpert.com/u/blaaaa)
#### Post date: [May 5, 2010, 11:45am UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/1 "2010-05-05T11:45:15Z")
I got my new 100% polyester strings and thin and thick shims today, and after I applied the thin (gray) shims I stringed the yo-yo with one of the new strings. and after 3 throws while tugging on the string to see if the yo-yo is unresponsive (it was) the string broke. I tried 2 more strings from the same kind right now and it was ok. so can it be that I had bad luck and pulled a defective string ?
PS. the bearing is much louder now is it because of the shims or I need to lube it ?
Thanks in advance
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### Author:  [@AwEsOmEnEsS](https://forums.yoyoexpert.com/u/AwEsOmEnEsS)
#### Post date: [May 5, 2010, 12:02pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/2 "2010-05-05T12:02:39Z")
what yoyo are you using?
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### Author:  [@blaaaa](https://forums.yoyoexpert.com/u/blaaaa)
#### Post date: [May 5, 2010, 12:09pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/3 "2010-05-05T12:09:19Z")
Dark Magic
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### Author:  [@newbee](https://forums.yoyoexpert.com/u/newbee)
#### Post date: [May 5, 2010, 2:25pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/4 "2010-05-05T14:25:11Z")
Maybe your string slipped.
Happened to me once, I was totally shocked that a fresh alchemy would break in a couple of throws, turns out it slipped in between the axle and the bearing.
Always check before putting your string.
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### Author:  [@blaaaa](https://forums.yoyoexpert.com/u/blaaaa)
#### Post date: [May 5, 2010, 3:55pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/5 "2010-05-05T15:55:33Z")
Maybe, thanks for the tip.
I have another question. I played for some time with the thin (gray) shims, and decided that I want to try the thick (red) ones . But when I applied them, they were so thick that the bearing didn’t even got placed in its socket it was completely free, if I would turn the half upside down the bearing would just fall off. This is how it suppose to be ? (I use a Dark Magic)
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### Author:  [@Yummy](https://forums.yoyoexpert.com/u/Yummy)
#### Post date: [May 5, 2010, 4:11pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/6 "2010-05-05T16:11:06Z")
It sounds like you aren’t pushing the shims all the way down.
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### Author:  [@blaaaa](https://forums.yoyoexpert.com/u/blaaaa)
#### Post date: [May 5, 2010, 4:19pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/7 "2010-05-05T16:19:24Z")
Maybe i don’t know how to place them, can some one explain ? or know a video ?
What I did was to place them inside the bearing socket and push them as much as i could, and than placing the bearing on them.
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### Author:  [@AwEsOmEnEsS](https://forums.yoyoexpert.com/u/AwEsOmEnEsS)
#### Post date: [May 5, 2010, 11:27pm UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/8 "2010-05-05T23:27:00Z")
try this
> **[Shims](https://yoyo.fandom.com/wiki/Shims)**
>
> Also known as spacers. Shims are small rings usually made of cardboard, metal, or plastic that are used to widen the gap of a yo-yo. The process is reversible. Yo-yos that feature an adjustable gap can be adjusted to a wider gap but if the yo-yo ever...
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### Author:  [@ApocalypticYo](https://forums.yoyoexpert.com/u/ApocalypticYo)
#### Post date: [May 6, 2010, 12:15am UTC](https://forums.yoyoexpert.com/t/i-applied-thin-shims-and-the-string-broke-after-3-throws/14089/9 "2010-05-06T00:15:11Z")
If I put in shims and then the bearing the bearing will be loose and fall out like it did for you. After i screw together and unscrew it the bearing is pretty snug in the bearing seat.