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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 03-09-09, 10:44 PM   #1
dantheman2009
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Is standing on pedals bad for the chain??

i accidently posted this in the safety forum, so ill re-post it here...

i have a single speed cruiser, and lately when i stand up to pedal, i can hear kind of a clicking/snapping sound. could this be something to worry about?

other details you might need...

3 days ago i got a flat tire, me and my dad fixed it. after that, the bike rode fine for 1 day, but then on the THIRD day i stood up to pedal and the pedals locked up and the chain slipped off. we took it back to the house, moved the wheel back, and now the chain is pretty tight.

so let me know what you think...
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Old 03-10-09, 12:23 AM   #2
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Well.... not "bad", but that's what caused the rear-axle to slip in the dropouts, thus loosening the chain and allowing it to derail off the chainring. The sound could be due to the mis-alignment of the chain vs. cog as the rear-wheel angled laterally in the dropouts.

Would be a good idea to clean off all faces of the dropouts so there's no grease. And use a star-washer or serrated washer between the axle locknut and dropout.
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Old 03-10-09, 12:33 AM   #3
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Sounds like your chain is binding, it should be tight, with just a bit of sag. I tighten the nuts as tight as I can by hand with the chain as tight as I can get it, then tap the chain a time or two before wrenching things down.
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Old 03-10-09, 12:44 PM   #4
dantheman2009
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thanks for the advice! anyone else got opinions? keep them coming...
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