City Segway Tours
Discover Paris on a Segway - a self-balancing, personal transportation vehicle.
http://www.citysegwaytours.com/

Fat Tire Bike Tours
Day and night cycle tours of Paris, Versailles and Monet's Gardens, as well as Segway tours and walking tours.
http://www.fattirebiketoursparis.com/
http://www.fattirebiketours.com/

Insider Paris Guides
Contains information about a guidebook aimed at anyone interested in cycling around Paris.
http://www.insiderparisguides.com/parisbiking/index.html

Jean-Paul Ricaud
Tells you everything you need to know about cycling in Paris, including route information.
http://www.jpricaud.com/

Le Tour de France
The official website of the most famous cycle race in the world.
http://www.letour.fr/

Paris a Velo c'est Sympa!
Offers guided bicycle tours of the city as well as bicycle rental.
http://www.parisvelosympa.com/GB/index.html

Paris Quad Visit
Explore Paris on a quad bike.
http://www.parisquadvisit.com/

PIDF.com
Index of bike rental companies in the city.
http://www.pidf.com/an-world/u_1/home171.asp

PIDF.com
Details of companies offering guided bicycle tours of Paris.
http://www.pidf.com/an-world/u_1/home172.asp

RATP
Find out more about the bike rental service run by the city's public transport authority.
http://www.ratp.fr/ParisVisite/Eng/index.htm