The cyrano r1 is the mid range handlebar from fizik made from uni directional carbon this is both strong and lightweight just as your choice of fizik spine concept saddle shape is guided by your degree of spinal flexibility and subsequent pelvic rotation fizik offers this same spine concept guideline to help you choose your most comfortable road handlebar shape the bull handlebar if you have a relatively low degree of spinal flexibility more than 90 degrees between your straight legs an