# Use a larger ring required settings

**URL:** <https://forums.maslowcnc.com/t/use-a-larger-ring-required-settings/6502>\
**Category:** Troubleshooting\
**Created:** [September 7, 2018, 7:33am UTC](https://forums.maslowcnc.com/t/use-a-larger-ring-required-settings/6502 "2018-09-07T07:33:13Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![madgrizzle](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/madgrizzle/32/1372_2.png) [@madgrizzle](https://forums.maslowcnc.com/u/madgrizzle)\
**Post date:** [September 9, 2018, 1:08pm UTC](https://forums.maslowcnc.com/t/use-a-larger-ring-required-settings/6502/5 "2018-09-09T13:08:43Z")

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> [@Neil\_Jackson](#):
>
> If there is anyone who could assist me in understanding the settings/measurements needed when using a 300 mm ring. I have used approximately 34,75 mm as the distance from the roll edge of the ring to where the chain attaches

Look at this thread in the forum wiki:

> [@Ring Kit Rotational Radius](https://forums.maslowcnc.com/t/ring-kit-rotational-radius/6113/6):
>
> I did another drawing that was to scale and then measured it. I get a rotational radius of 139.1 mm doing it this way. It can be off a very small amount based upon the diameter of the hairpin cotter pin. The diameters of the bearing is based upon @bar’s measurements from this post: [image]

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