Answer
Go to www.pagesjaunes.fr (yellow pages in french). put velos in "quoi" and paris in "ou" and click rechecher (search).
choose the categories "commerce, réparation de motos, scooters, cycles" and/or "magasins de sport" and click "valider" for a list.
www.decathlon.fr are a very
nice
general purpose sports shop chain that will have most bike things.
