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Spoke magnet speed sensor — image 1
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Spoke magnet speed sensor

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Spoke magnet speed sensor for ebikes (Shimano, Bosch, etc)

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Model information

License
Creative Commons — Attribution

I have another set of wheels for one of the ebikes and needed a spoke magnet for the speed sensor, initially I wanted to purchase one but it seems that they're like 10euros!!! Which is way too much for 1 lousy magnet.

Dimensions are similar to the one from Shimano, it is a bit thicker since the original one is made of metal.

Needed

1  - neodium 10 x 4 mm magnet (can be thicker)

1 -  M5 10mm screw

cyanoacrylate or other type of glue

 

Print settings

Material: PETG/PLA

Resolution: 0.10 mm (so the thread is OK)

Perimeters: 3

Infill: 100%

 

Assembly

Add a drop of cyanoacrylate and push the magnet in.

Make sure you thread the screw several times before mounting on the bikes so it “bites” properly on the printed thread.

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