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Bike Chain Guard 3D Printer File Image 1

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Bike Chain Guard

November 26, 2025

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Description

This chain guard replaces an outer chainring on a bicycle crankset. Sized to perfectly fit a 39 tooth inner chainring (pictured). Fits any 5 bolt crankset with a 130 BCD (bolt circle diameter)

License:

MakerWorld Exclusive License

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