Here is a nice article about WeBike a female based cycling organization in NYC.
(They are having a party Oct. 10th)
Article from DNAinfo:
Female Riders Flock To New Gender-Based Bike Club
Published: October 5th, 2012
For years, Liz Jose considered creating a cycling group for teenage girls. But when the 28-year-old bike mechanic started seeking women volunteers to help lead the program, the adult riders convinced her otherwise — they wanted a bike group of their own.
“All the women I was talking to asked if they could take the program,” said Jose, a Williamsburg resident who works at Bike Works on the Lower East Side. “So I sent an email out to 40 women to go on a group ride, and it started getting circulated. Suddenly, I had 100 responses.”
Read more: here.