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Double to single chainring nut spacer — image 1

Double to single chainring nut spacer

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I got a Shimano FC-5603 triple crankset on which I want to install a single chainring for a 1x drivetrain. The stock…

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I got a Shimano FC-5603 triple crankset on which I want to install a single chainring for a 1x drivetrain.

The stock chainring nut + bolts fix the two larger chainrings (a double) to the crankset. The granny gear is fixed with just bolts into the tapped crankset.

However, I didn't want to modify the stock chainring nut + bolts or buy new ones, so I made these spacers that take up the width ordinarily consumed by the second of the two chainrings.

We'll see if the plastic creep will thin out the spacers over time.

Category: Sport & Outdoors

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