Bike Shifter (Friction)
pinshape
A working 3D printed friction shifter! See video at http://youtu.be/fLMA-8aSsDM While friction shifters don't "click" into gear like index shifters, they have advantages. A friction shifter is much more tolerant of minor problems like slightly bent derailleurs or worn cables and housings. Heavily tested with a 7-speed setup, but should work with any number of speeds (front or rear derailleur). I just biked from Seattle to Portland using this shifter (204 miles) without any issues. With 300+ miles on the same shifter, I'm reasonably confident it's pretty solid and should last for a while.
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