How is sex like riding a bicycle? It's best to wear protective headgear, you have to keep pumping if you want to get anywhere, and once you learn you never forget how. Thanks folks, we're here all week! (Actually, we stole that from here - combining two of our favorite forms of physical exercise is something we here at Fleshbot take much too seriously to make cheesy jokes about.)

Eros Ciclista (bikes and sex weblog @ infoaragon.net, via del.icio.us)
Bike sex galleries: Jojo, Zsanett, Rough Day, Black lingerie bike girl, Happy Bicycle, Bicycle BJ (TGP/preview galleries via Ask Jolene)
See also: World Naked Bike Ride (info and links @ worldnakedbikeride.org)

Previously: Dildo Bicycle, Gay DVD: "Spokes"