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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 08-06-08, 10:04 PM   #1
vincentvancog
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Can i use a fixed cog on a hub for a freewheel?

Can i use a fixed cog on a hub for a freewheel sprocket?

i mean i have a wheel with the threaded good for a freewheel, but i was wondering if i can put a cog on it and a lockring, bigger, than the lockring i have for my fixie..is it dangerous? why i cant? or can i?

thankd
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Old 08-06-08, 10:08 PM   #2
matt wisconsin
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a lockring for a fixed hub is left hand threaded, so when back pressure is applied to the cog, it doesn't turn the lockring off. People put fixed cogs on freewheel threads with bottom bracket lockrings and use some form of 'adhesive' like JB Weld to keep them on, but it's not 100% safe.
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Old 08-06-08, 10:26 PM   #3
huerro
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If you rotafix it on and use a threadlocker you will be ok, but you will need to use your brakes to slow down and stop. No skipping or skidding.
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Old 08-07-08, 07:53 AM   #4
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Do a search for "suicide" - what you are suggesting is usually called a suicide hub. Some say is is fine and was the norm for years, others say no way, never do it. It is of course the cheapest way to go fixed if you have an old freewheel bike to use...
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Old 08-07-08, 08:01 AM   #5
vincentvancog
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yeah, in fact i have and old road bike with semi horizontal droput and i removed the cassette and the hub has the same thread as a single speed bike... but yes i forgot the track bike has a anti-clokwise thread...sob... i'll buy new wheelset..even better.!
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Old 08-07-08, 08:05 AM   #6
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Case closed.
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