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LL Chain Wear Tool [reverse engineered]
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A universal tool to measure the wear of any bike chain.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Some bike chains such as SRAM AXS (road/flattop) have different-sized rollers and therefore can't be measured with a standard “insertion distance gauge”.
Based on images and logical conclusion I reverse-engineered the tool from AbbeyBikeTools.
You can measure longitudinal and lateral wear - more resources on their page.
No claim for accuracy, but the design should be foolproof. Make sure your printer has no skew.
[for reference, my chain seems to have a wear of a bit less than 0.25%]