ENVO D35 | ENVO ST
Bicycle serial number is engraved underneath the crank of your ENVO electric bike.
Batteryserial number is on the bottom of the battery or next to the key slot below the barcode
ENVO Lynx-20 | ENVO Lynx-16
eBike serial number is engraved underneath bottom bracket of your ENVO Lynx-20.
Battery serial number is located on the backside of the seat post under the saddle.