Riders asking for quick help with flats, error codes, accessory fit, or lost items
Send clear photo + symptom description; reference user manual for quick fixes if possible while waiting for support.
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ENVO E50 and E35 Error Codes
Error code 01E Signal communication fault 02E Throttle fault 03E Battery fault 04E Motor fault 05E Controller fault 06E Motor's Hall fault 07E Brake lever fault 10E Battery protection 11E Battery short-voltage 20E Power button fault 21E Gear button ...
Kelly Controller Error Codes Reference
Important bolts, quick release, or bell lost in box/transit
Contact ENVO support with order details for replacements. Check packaging/inside frame first.
D50/ST50 Lost Keys
If the keys are lost, the only solution is to replace the lock. To do this: Remove the three screws using a 3mm Allen key. Take off the lock knob by loosening the Phillips screw. Push in the mechanism, which will release and unlock the battery.
Riders unable to fully assemble bike on arrival
Review included parts checklist. Contact support with product details and request urgent shipping of required items. Use user manual for confirmed steps.