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Shimano Deore BOOST crankset + XT bottom bracket spacer (dust cover) — image 1

Shimano Deore BOOST crankset + XT bottom bracket spacer (dust cover)

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If you're pairing a Deore FC-M6120 with a BB-MT800 (and BB-MT801, too, probably), you need this.

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Category
Other Sports
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Creative Commons — Attribution

The Y1MD14100 spacer that comes with the FC-M6120 is a tad too large in diameter if you're pairing it with a higher-end, XT level BB-MT800/BB-MT801 bottom bracket. Instead of that, you need a Y1PW98070, the stuff that comes with the XT cranksets, but those are hard to find separately. This is a replacement part.

I can't give you any good advice on what to print this from, make sure it's similar in its properties to the original.

You need a Y1F316000 ring for each of these printed parts, but you can salvage those from the Y1MD14100, or most cranksets and other spacers.

FreeCAD source file included in case you need tweaking.

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