Bicycle mechanic Jim O’Brien owns a bike shop and acts as a father-like figure in the close-knit Concord cycling community. But 16 weeks out of the year, O’Brien travels around North America as a world-class mechanic working for professional cycling teams.

“Jim looked at me and he said, we can cut out cheesecake and that’s gonna do more for the speed than our bike than these titanium pedals.”