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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 06-19-09, 05:06 PM   #1
fullyfixed
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my cranks are possibly loose?

for reasons i dont know, when i peddle forward it goes loose for a bit then catches and peddles normally, when i stop and back pedal to skid it goes loose once again for a bit then catches and back pedals normally. there is a 'loose spot' so to say for about an 2 or 3 inches of space. i have no idea what the problem is, im ganna take it to the shop to see if it fixable. but has anyone expierenced this problem with their own bicycles?
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Old 06-19-09, 05:20 PM   #2
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Assume fixed gear? Don't have one but think it might depend on your bike's particular setup in terms of crank/hub/cog...
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Old 06-19-09, 09:34 PM   #3
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It's either peddle or pedal; can't be both unless you are selling pedals.
good luck on the problem.
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Old 06-23-09, 10:19 AM   #4
fullyfixed
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i learned the bottum bracket was becoming more and more stipped.
i purchased a track wheel and its super heavy duty now, thanks alot.
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Old 06-23-09, 11:45 AM   #5
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Quote:
Originally Posted by fullyfixed View Post
i learned the bottum bracket was becoming more and more stipped.
i purchased a track wheel and its super heavy duty now, thanks alot.
?? Your bottom bracket was bad but you fixed it with a new wheel??
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Old 06-23-09, 12:34 PM   #6
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My assessment - the rear hub was stripped. Pedal forward and the cog rotates on the hub a bit before screwing tight. Skid and it goes the other way into the lockring. Repeat. Guy was wrong calling it the bottom bracket - the hub was the problem.

Unless he got a bottom bracket out of the deal as well. In which case, I have some bicycle clear-coat that he really needs to buy right after I fill his tubes with nitrogen.
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Old 06-23-09, 05:08 PM   #7
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Never know with the fixie kids.
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Old 06-23-09, 06:55 PM   #8
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lmao
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Old 06-23-09, 08:56 PM   #9
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I don't get that either? how did he go from a loose crank to a back wheel? I could never do that when I was in the business. well I tried but could never pass it off *blushing*. I guess the play was the COG and lockring?
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