Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The JG Sport was a French automobile manufactured from 1922 until 1923.
A cyclecar built by one M. Janvier, it had a 970 cc Ruby engine and chain drive.
External links
David Burgess Wise, The New Illustrated Encyclopedia of Automobiles