We just bought some new bikes for the kids. We put a picture of each child inside the handle bar grips before putting them on. If a bike is stolen and later recovered, you have proof it is your child's bike.
Source: A neighbor.
By coville123 from Brockville, Ontario
This page contains the following solutions.
If you purchase a new bike for your child, place their picture inside the handle bar before placing the grips on. If the bike is stolen and later recovered, remove the grip.
It seems to me that the best way to ensure against loss is to ALWAYS lock up your bike to some immovable object with a good cable bike lock. Put the cable through BOTH wheels. When you have it at home, lock it up in a place not easily accessible by strangers.
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When you get a new bike (or new to you), write your name, address and the bike's serial number on the card. Roll it around a pencil, secure with elastic bands and drop into the frame.
If you purchase a new bike for your child, place his/her picture inside the handle bar before placing the grips on. If the bike is stolen and later recovered, remove the grip and there is your proof of who owns the bike.
To identify your bike in the event of a theft, put a picture of it along with your name/address in either the handle bars or where the seat post goes. When it is found you have perfect identification.