Fixing "Error 21" aka Speed Sensor Error

 

Much like any machine with moving parts, occasionally, you'll encounter problems with your mid drive eBike. One of the most common, and easily fixable is "Error 21," or the Speed Sensor Error.

Error 21 can be troubling for eBike riders as it results in being unable to utilize your bike's pedal assist. 

In this video, Rob shows you the super simple ways you can fix this error.

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