# What shims are compatable with C size bearings?

**URL:** <https://forums.yoyoexpert.com/t/what-shims-are-compatable-with-c-size-bearings/316096>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [February 29, 2020, 11:17pm UTC](https://forums.yoyoexpert.com/t/what-shims-are-compatable-with-c-size-bearings/316096 "2020-02-29T23:17:45Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![hughesj](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/hughesj/32/624162_2.png) [@hughesj](https://forums.yoyoexpert.com/u/hughesj)\
**Post date:** [February 29, 2020, 11:17pm UTC](https://forums.yoyoexpert.com/t/what-shims-are-compatable-with-c-size-bearings/316096/1 "2020-02-29T23:17:45Z")

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I’m looking for shims that’ll work with a yoyo with a C sized bearing, but i can’t find anything that says definitively that it’ll work for that. Can someone point me in the right direction?

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**Author:** ![jhb8426](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jhb8426/32/631_2.png) [@jhb8426](https://forums.yoyoexpert.com/u/jhb8426)\
**Post date:** [March 1, 2020, 5:40am UTC](https://forums.yoyoexpert.com/t/what-shims-are-compatable-with-c-size-bearings/316096/2 "2020-03-01T05:40:06Z")

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The Dif-E-Yo shims work well.

> **[Dif-E-Yo Shims](https://shop.yoyoexpert.com/collections/dif-e-yo/products/dif-e-yo-shims?variant=18870991684)**
>
> If you ever wanted a wider gap on your yo-yo the best way to achieve this is using "shims". Shims go on either side of a bearing to keep it out of the bearing well which increases your gap width to make the yo-yo less responsive.In the past these...

As do the YoyoJam shims

> **[YYJ Shims](https://shop.yoyoexpert.com/collections/yoyojam/products/yyj-shims?variant=19951969796)**
>
> Shims by YoYoJam are built to offer a way to increase the gap width of your YoYoJam keeping it fixed at a larger size than normal. What this does is help make the yo-yo unresponsive since a wider gap means the string is less likely to grab the yo-yo...

They don’t specifically say so but they are for “C” size bearings. The Dif shims are metal, the YYJ shims are fiber. Both work well depending on the yoyo. The main issue to consider is that the bearing seat is deep enough that with the shims installed, the edge of the bearing does not extend beyond the bearing seat. If the edge of the bearing is exposed you have the possibility of the string snagging in the gap between the bearing and the shell.

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<div class="post-metadata">

**Author:** ![hughesj](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/hughesj/32/624162_2.png) [@hughesj](https://forums.yoyoexpert.com/u/hughesj)\
**Post date:** [March 1, 2020, 8:24am UTC](https://forums.yoyoexpert.com/t/what-shims-are-compatable-with-c-size-bearings/316096/3 "2020-03-01T08:24:29Z")

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Got it, i was looking at those and wasn’t sure if they were right for the job, thanks for the help.

Also, the issue i’m having is that i recently bought an older throw that has impressions being made in the bearing seat by the inner bearing race and the yoyo is responsive now. I’m hoping shims will help solve the problem