![Error code: Error 21]({"bg": "//theme.zdassets.com/theme_assets/10366335/4cc67e63b7713efd96c6aa716d166a88ed121e07.jpg"})
![Error code: Error 21]({"bg": "//theme.zdassets.com/theme_assets/10366335/d38d9cc5a4fcb160800cb7a8f0e0cb60aaa36d2e.jpg"})
Error 21 involves an error with the motherboard.
Motherboards must be changed, contact us via email or in store, and we will send you a new motherboard.
If you cannot change the motherboard yourself, send us a bicycle and we will change it for you.
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