Joined: Jan 2009
Posts: 43,976
Likes: 6,160
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
Yup, I just bought a small chain tool for my tool bag.
I think ever since 8-speed chains or so, I learn of more breakages, probably for the obvious reasons. I was once stoking on a friend's tandem, and we broke the rear chain, and I'm told that happens a lot. I think it was a 10-speed chain.