Shaft Collar for 28mm Barbell
thingiverse
This a shaft collar for a 28mm barbell. It uses a lockdown mechanism. The joint holes are 2mm in diameter and I used a 14 gauge (2.3mm) wire for the hinges. Depending on tolerances this might be different. You will also need some squishy non-slip pads on the inside. ONLY USE WITH LIGHT WEIGHT. I would not use this product to lift heavy weight, specially for exercises over the head. The orientation of the layers will yield different results. The arm is the part that should experience the most stress. The CADs are attached for a Remix. Enjoy :)
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