Bianca Champenois SM ’22 learned to ride a bike when she was 5 years old. She can still hear her sister yelling “equal elbows!” as she pushed her off into the street. Although she started young, her love of bikes really materialized when she was in college.Champenois studied mechanical engineering (MechE) at the University of California at Berkeley, but with a first-year schedule comprising mostly prerequisites, she found herself wanting more hands-on opportunities. She stumbled upon BicyCal, the university’s bike cooperative.“I loved the club because it was a space where…