Join Date: Feb 2004
Location: St Peters, Missouri
Bikes: Catrike 559 I own some others but they don't get ridden very much.
Mentioned: 3 Post(s)
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Quoted: 282 Post(s)
I haven't seen it with a fixed gear but, working in bike shops, I've had bunches of little kids get a finger caught between coaster brake chains and sprockets. In every case that I've been personally the kid has stopped before they got too seriously hurt but they couldn't get their finger out because the coaster brake won't let it turn backward. It usually requires a 15 mm wrench to loosen the chain tension while mom looks on in horror.
If you can still make the sale after that happens, you're good.