Joined: Jan 2009
Posts: 44,163
Likes: 6,384
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Ideally, the mechanic will identify where you made your error, and you can learn from it and come back better next time.