E-Bike Cadence Sensor
thingiverse
The cadence sensors that shipped with my bikes broke within the first 500 miles. Here are my 3d printed replacements. They have worked well for me... over 1000 miles on them with no problems. Use two small stainless machine cap screws to attach (M2, or 2.5, if I recall... whichever clamps the two halves down snugly, or modify the included SCAD file to fit to your application). Install the magnets from your old sensor, making sure the polarity matches, and use a tiny bit of epoxy to secure them in the pockets.
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