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Old 05-02-08, 11:02 AM   #1
ac220v
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Squeaky something after chain falling off...

On today's ride my chain half-derailed from the sprocket, freezing it into place (quite scary on a 25+kmh downhill,,,) I of course had the tools, and fixed it but after that the whole thing started buzz-buzz-buzzing when I start or go uphill and squeak-squeak-squeak-SQUAWK-SQUAWking when I start to ride faster, at speeds above 22 km/h squeaks nearly disappear. Chain tension seems to be OK (I can move the chain 1.5 or so centimeters up and down)... What could it be?

Single-speed, coaster hub, 230-something km total on the cyclocomp, rode 15 km more with that squeak.
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Old 05-02-08, 09:40 PM   #2
Torchy McFlux
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Derailed single-speed? Check the chain for bent/twisted links. You can bend them back with a couple of pliers, or just replace the chain.
Might also want to check your chainline to make sure it's straight, and chain tension to make sure it's snug.
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Old 05-04-08, 03:10 AM   #3
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Thanks, I'll check that.
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Old 05-04-08, 01:43 PM   #4
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Found the squeaky part. Not drivetrain-related at all. It was bent kickstand, rubbing just the edge of tire's tread, no (major) tire damage. Don't know how I managed to bend it like that.
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