On this weeks program Chris talks to Stephen Nurse about the second edition of his book Cycle Zoo: Bikes for the 21st Century about the vast array of designs and configurations that the bicycle can be designed for, starting with cycling principles, describing types of human powered transport other than the safety bike frame, stories from Melbournes cycling community and tools to get people started. Copies can be ordered at modularbikes.com.auIn cycling-related news: Lauren O'Keefe, Masters student at RMIT’s School of Communication and Media is researching women who cycle in Melbourne with her survey: Wheel Women: the rise and rise of women’s cycling in Melbourne