1

Is it possible to put a bigger than 34t chainring on a Merida e160 MTB? There is only about 2mm of clearance from the chainstay.

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3

Depends what you mean by clearance. X or Y in the diagram below?

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if you mean X then you likely have room for a bigger chainring. If you mean Y then you are probably out of luck.

Using a formula for the radius of an n sided polygon and assuming tooth profile does not significantly vary for different size chainrings, each additional tooth adds about 2mm of radius to the chainring.

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