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Crank Slips on Singlespeed

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Crank Slips on Singlespeed

Old 12-28-10, 06:36 PM
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Crank Slips on Singlespeed

I went on a ride today and half way through I felt/heard my crank make a "cracking" noise, but I thought I just ran a twig over or something. As I was riding back home I felt my crank slip, and a second time when I almost got home. I know the typical answer is to tighten your cog/lockring, but this happened when I was on my Singlespeed freewheel. Any ideas why? I plan on taking my bike to my LBS soon, but I just wanted to get a general idea of what was wrong.

Thanks!
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Old 12-28-10, 06:43 PM
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chainring OK?
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Old 12-28-10, 06:50 PM
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I'm not quite sure what I should check on my chainring. How could I tell if something is wrong with my chainring?
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Old 12-28-10, 07:42 PM
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Chain tension ! Check ... Now!!
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Old 12-28-10, 08:02 PM
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Chain wear ! Check ... Now!!
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Old 12-28-10, 08:45 PM
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Freewheel might be toast.

What brand is it?
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Old 12-28-10, 09:00 PM
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Maybe you need to check that your crankarm bolt is tightened down and the spindle isn't rounded off. Is it square tapered?
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Old 12-30-10, 05:02 PM
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Thanks for the help, guys. Turns out my freewheel wasn't tightened down all the way. Still had about 1/8th of a turn left.
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Old 12-30-10, 05:05 PM
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Your cog is slipping.
 
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Best way to tighten your freewheel is to ride your bike. Crank hard up a hill and it'll be all set.
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Old 12-30-10, 05:07 PM
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Originally Posted by Scrodzilla
Best way to tighten your freewheel is to ride your bike. Crank hard up a hill and it'll be all set.
It's like magic
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Old 12-30-10, 05:10 PM
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Your cog is slipping.
 
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