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#1
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chain problem on fixed gear
Hey everyone,
I'm replacing the chain on a Fuji track bike and have run into a problem. I removed a KMC Z-chain (which worked fine and is now worn out) and I was planning on putting on a Kool K810 chain (1/2" x 3/32"). They are both BMX chains, I believe, but the K810 doesn't seem to fit. The spaces in the chain don't line up with the points on the cog and the chain sits up on the ends of the cog teeth. My LBS said that the chain would work, but it seem like they're crazy. Do I have the wrong chain? Should I just buy a new one or is there a way to get this one to fit? Thanks for the help, Eric |
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#2
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chain problem on fixed gear
It is just occurred to me that my chainring might be worn out. The bike
for about 4 years old. I ride it almost daily and haven't used brakes for the last couple years. Should I just replace the front chainring and the chain together? The back cog is a couple years old. The chainring is original. The teeth on the chainring are starting to get pointy. The teeth on the back cog still have flat tops. Eric |
#3
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chain problem on fixed gear
Eric wrote:
Hey everyone, I'm replacing the chain on a Fuji track bike and have run into a problem. I removed a KMC Z-chain (which worked fine and is now worn out) and I was planning on putting on a Kool K810 chain (1/2" x 3/32"). are you /sure/ the old chain is 3/32"? most track chain is 1/8". They are both BMX chains, I believe, but the K810 doesn't seem to fit. The spaces in the chain don't line up with the points on the cog and the chain sits up on the ends of the cog teeth. My LBS said that the chain would work, but it seem like they're crazy. Do I have the wrong chain? Should I just buy a new one or is there a way to get this one to fit? Thanks for the help, Eric |
#4
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chain problem on fixed gear
I'm not sure. The old chain is a KMC Z-series chain. It is a 1/8"
chain, assuming that measuring the inside with a tape measure is the right way to figure that out. |
#5
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chain problem on fixed gear
Eric wrote:
I'm not sure. The old chain is a KMC Z-series chain. It is a 1/8" chain, assuming that measuring the inside with a tape measure is the right way to figure that out. yeah, I've a KMC Z on my beater. It's 1/8", which is probably what you need. Take the new chain back. \\paul |
#6
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chain problem on fixed gear
Eric wrote:
It is just occurred to me that my chainring might be worn out. The bike for about 4 years old. I ride it almost daily and haven't used brakes for the last couple years. Should I just replace the front chainring and the chain together? The back cog is a couple years old. The chainring is original. The teeth on the chainring are starting to get pointy. The teeth on the back cog still have flat tops. Yes that is a reasonable assessment on the chainring but watch the chain engagement on that rear cog with the chain not fully tight to see if engagement is smooth. Might need a cog, too. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#7
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chain problem on fixed gear
Since you are thinking about some upgrades, you may find Seldon Brown's
page interesting:- http://www.sheldonbrown.com/chain-life.html It gives Sheldon's explanation of how to extend chain life. Hope this helps. Lewis. ****** |
#8
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chain problem on fixed gear
Eric Cappleton writes:
I'm replacing the chain on a Fuji track bike and have run into a problem. I removed a KMC Z-chain (which worked fine and is now worn out) and I was planning on putting on a Kool K810 chain (1/2" x 3/32"). They are both BMX chains, I believe, but the K810 doesn't seem to fit. The spaces in the chain don't line up with the points on the cog and the chain sits up on the ends of the cog teeth. My LBS said that the chain would work, but it seem like they're crazy. Do I have the wrong chain? Should I just buy a new one or is there a way to get this one to fit? You didn't say what it was that didn't fit but you should be able to manually engage one link onto the front and rear sprockets. I suspect you need a wider chain. How did you decide that the old chain was a 3/32" derailleur chain? Did you compare the old and new? Jobst Brandt |
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