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1UP bike rack hole protector — image 1

1UP bike rack hole protector

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Protect your bolt holes from abrasive dirt.

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This filler bolt better protects the bolt holes used to mount add-on racks to your 1UP bike rack, or to attach add-ons to other add-ons better than the one-sided plugs provided with the racks and add-ons.

I often switch between one, two, and three-bike configurations, so I wanted something to keep grime out of the holes - especially to prevent abrasive dirt from being forced into the threads and causing premature wear when fitting add-on racks.

I have sized these bolts such that they protect the threads all the way through.  I sized the head to be tightened using the rack wrench.

I recommend at least using PETG or another UV resistant material like ASA - I have provided bgcode for both Prusament PETG and ASA.

There is no need for support material as I sloped the base of the socket.  I added a brim for the ASA bgcode.

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