Chainring wear gauge
thingiverse
This tool was inspired by [this Park Tool video](https://www.youtube.com/watch?v=lYp-DjeATtk&feature=youtu.be&t=55). I thought it was a great idea, & decided to create a handle to make it significantly easier to use. I don't believe this works for cassettes - the tooth profile is more "square" instead of "round", unlike chainrings. For cassettes, you'll need to use the [Rohloff HG Check tool](https://www.youtube.com/watch?v=Lb63caDLcN0) or similar. The whole part is 80 mm long to allow you to reach small "granny" gears in triple setups. I did design a version to accept a roller post-print, but I've never done mid-print captive parts, so I went with this. It worked out great, & the bridging was better than expected. 2020 01 03: added a Rev 4 with a 4 mm side slot to hook on to pegboard hooks.
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