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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 08-31-06, 12:48 PM   #1
sal23
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cog removal question

im trying to change out my cog and i have gotten off the lock ring but i cant get off the cog. i do have a chain whip but i still couldnt get it off. any tips or tricks that could help me out?
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Old 08-31-06, 12:52 PM   #2
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http://204.73.203.34/fisso/eng/schpignonestep1.htm
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Old 08-31-06, 12:55 PM   #3
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put the tire on the rim air it up about half way put the wheel on the carpet where the wall and floor meet so it cant go anywhere an grunt alot
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Old 08-31-06, 01:02 PM   #4
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put the wheel back on the bike and ride it. hope you have front brakes. do a skid, the cog should come right off.
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Old 08-31-06, 01:03 PM   #5
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Just wrap in the opposite direction that you would rotafix a cog on, and turn in the opposite direction.
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Old 08-31-06, 01:05 PM   #6
sal23
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thanks new guy picture books are so much easier to read
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Old 08-31-06, 01:07 PM   #7
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sorry no front brake but that does sound like it could be fun
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Old 08-31-06, 01:12 PM   #8
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Given their track record I would avoid getting any advice from the Fisso kids.
Just get on the bike and pedal backwards reeaaaaal hard.
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Old 08-31-06, 01:19 PM   #9
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yeah that would work but i dont have a brake and i dont feel like busting my nuts on the top tube when the chain falls off
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Old 08-31-06, 01:26 PM   #10
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at the NACCC last year in portland i needed to remove a stuck cog with no time to spare before the races... i tried that bit where i removed the lockring and skidded down a giant hill. it didn't work. it must have softened it up though, i was able to remove it with the whip after that. score. wear a helmet. and have a friend film it.
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Old 08-31-06, 01:29 PM   #11
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Protect the cog and clamp it in a bench vise if you have one. Plenty of leverage to remove the cog in my opinion.
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Old 08-31-06, 01:32 PM   #12
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Quote:
Originally Posted by sal23
yeah that would work but i dont have a brake and i dont feel like busting my nuts on the top tube when the chain falls off
It should come off w/ the reverse of the method I linked to. Nevermind the naysayers; 60% of the time it works every time.

Last edited by *new*guy; 08-31-06 at 01:49 PM.
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Old 08-31-06, 01:41 PM   #13
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60% of the time it works every time.
cog panther
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Old 08-31-06, 01:44 PM   #14
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skid on a street with little to no traffic and when it breaks loose just put your foot on the rear tire like people do when they were kids. if it doesnt break it completely loose it will happen like RedMenace said.
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Old 08-31-06, 02:01 PM   #15
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had the same problem with a stuck cog. finally took a hug pipe wrench and carefully wrenched it off. i would only do this as a last resort.
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Old 08-31-06, 03:10 PM   #16
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reverse rotafix works every time and is much safer than all this bull**** (except the vice thing). perhaps a cheater bar on the chainwhip mihgt work too
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Old 08-31-06, 08:00 PM   #17
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how is rotafix on paint?
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Old 08-31-06, 08:18 PM   #18
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how is rotafix on paint?
great! takes that ***** right off no problem.
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Old 08-31-06, 09:28 PM   #19
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great! takes that ***** right off no problem.

Paint is for *******.
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Old 08-31-06, 09:33 PM   #20
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great! takes that ***** right off no problem.

Classic... laughed my ass off after reading that...
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Old 08-31-06, 10:20 PM   #21
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how is rotafix on paint?
put a rag or a sock around the BB shell and maybe the chain stay too. evrytime i switch a cog i rotafix it off. so simple. never have i scratched my pretty pretty paint. i handle that by wrecking.
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Old 09-01-06, 01:59 AM   #22
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great! takes that ***** right off no problem.
*stolen* That's my new sig
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Old 09-01-06, 02:01 AM   #23
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Let's just test this...
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Old 09-01-06, 02:03 AM   #24
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Not quite there...
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Old 09-01-06, 07:45 AM   #25
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Not quite there...
smallen up the font.
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