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.
This particular video is related to our mid-drive (motor inside frame) line up of bikes however error 21 exists for all our bikes. Error 21 is related to the hall or speed sensor which essentially is responsible for your speedometer on your LCD display.
See all possible causes below:
Mid-drive
- Sensor
- Magnet
- Rear motor harness
- Controller
Hub drive
- Internal motor issue
- Controller
In most cases, error 21 for hub drive e-bikes would merit a replacement motor. Reconnecting the motor cable would be the first thing to do before replacing the motor. Regarding mid-drive ebikes, it's all about the process of elimination.
Error 21 can be troubling for eBike riders as it results in being unable to utilize your bike's pedal assist.
If you have more questions about your Electric Bike whether it be technical difficulties, capabilities of the bike, etc. please free to contact us! Anytime you contact us, a ticket is created and stays open until someone from the team completely resolves it.
Submit A Support Request Ticket - CLICK HERE
Self Service
The great thing about this system is that if you have a quick question about a common issue, you won't have to sit around waiting for our response.
The system will suggest articles which contain more info, videos etc. of the most common questions that may come up on your FLX journey.
Other Questions?
Customers are always welcome to contact us directly here on our direct phone line at 844.548.3359. We take calls as they come in and do our best to return any missed calls within 24 hours.
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