Chain tensioner V2
thingiverse
Chain tensioner with bearing Has been tested on a 9 speed chain, I don't know if other chains fit 3mm axle (has to be cut to 16 mm): https://fr.aliexpress.com/item/32967805012.html?spm=a2g0s.9042311.0.0.27426c37Q8ooI6 mr63zz 3x6x2.5 bearings: https://fr.aliexpress.com/item/32962032067.html?spm=a2g0s.8937460.0.0.27002e0eaNKFKe
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