maybe you allready know about these guys
http://phillybikeclub.org
but if not there are lots of group rides, and they have a news group, and you dont have to be a member to join in either.
the bicycle coalition of greater philadelphia also has a big ride comin up that should be fun
http://bicyclecoalition.org/
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No matter how fast I'm going, I'm in no hurry.
there are no bicycles in the valley, the only bicycle you find in the valley is the bicycle you ride down there.
Ride in the front, this space is available to anyone that wishes to take it-jjmolyet