STFU Bike chain device
Description
Originaly designed by Kris Kovarik, you can buy original product here: https://stfubike.com/ -Should fit any bike with 1x gearing and 9-13 speed casset with biggest cog of 52T. -It's a device that reduces chain slap and makes your bike quieter. Print in TPU filament or any flexible filament with 50% infill. You can trim it down to fit your bike and attach it with zip ties to your chain stay.
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