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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 04-16-12, 09:53 PM   #1
Bunglefever
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Upgrade from 3/32 to 1/8.

Hi, yesterday I bought a 17t surley cog from my local bike shop to change the stock 16t on my kilo chrome stripper. I'm quite new to doing all my mechanic and so I tought that it would fit easily but later I found out that the kilo chain is 3/32 while the cog I bought was 1/8.

My question is, should I return the cog and order a 3/32 online (because they don't have it in stock) or should I upgrade my chain to 1/8.

Are there any benefits to upgrading from 3/32 to 1/8? I've read somewhere that 1/8 is standard for track bikes.

Thank you!
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Old 04-16-12, 09:56 PM   #2
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1/8 would be the better way to go. Then again, you'd need to also upgrade your chainring as well as the chain. It's up to you. I personally would run 1/8 which I am. It's slightly more thick than the 3/32 and it feels beefier.
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Old 04-16-12, 09:59 PM   #3
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Would I be able to use my 3/32 chainring with the 1/8 cog and chain for a while? Money is kind of tight but I don't mind investing in the good stuff.
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Old 04-16-12, 10:00 PM   #4
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Yo can keep your chainring if you get the 1/8" chain.
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Old 04-16-12, 10:17 PM   #5
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Quote:
Originally Posted by Bunglefever View Post
Hi, yesterday I bought a 17t surley cog from my local bike shop to change the stock 16t on my kilo chrome stripper. I'm quite new to doing all my mechanic and so I tought that it would fit easily but later I found out that the kilo chain is 3/32 while the cog I bought was 1/8.

My question is, should I return the cog and order a 3/32 online (because they don't have it in stock) or should I upgrade my chain to 1/8.

Are there any benefits to upgrading from 3/32 to 1/8? I've read somewhere that 1/8 is standard for track bikes.

Thank you!
I did the exact same thing a few years ago and got a 1/8 Surly cog! I changed to a 1/8 chain (8-10 bucks) and everything is fine. My chainring is 3/32. Been using this setup for more than 2 years and had no problems.
I personally can't tell a difference in performance.
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Old 04-16-12, 10:29 PM   #6
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1/8" chain can work with both 1/8" and 3/32" cogs/chainrings. Personally, I would use the new Surly cog that you already now have and get a 1/8" chain. You should be able to find one for not too much $$.
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Old 04-16-12, 10:38 PM   #7
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Keep cog, change chain. Yes, yes.
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Old 04-17-12, 12:27 AM   #8
Bunglefever
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Thanks everybody! I will sure do so (keep the cog and get a new chain). Eventually I will upgrade my chainring, probably when I upgrade my crankset.
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Old 04-17-12, 12:33 AM   #9
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Thanks everybody! I will sure do so (keep the cog and get a new chain). Eventually I will upgrade my chainring, probably when I upgrade my crankset.
A new crankset will most likely come with a new chainring, so look for 1/8" chainring when doing so
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Old 04-17-12, 12:38 AM   #10
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No need to rush with the chainring. We ran a 1/8" chain with 3/32" rings for the timing chain on our tandem for tens of thousands of miles with no ill effects. The 1/8" chain seemed to last much longer than the narrower chains.
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Old 04-17-12, 02:19 AM   #11
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I ride SS/FG for commuting purposes and I have discovered that I have a much wider selection of parts by running a straight 3/32 drive train rather than going for a 1/8 track setup.
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Old 04-17-12, 07:55 AM   #12
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I ride SS/FG for commuting purposes and I have discovered that I have a much wider selection of parts by running a straight 3/32 drive train rather than going for a 1/8 track setup.
absolutely. and it's much more forgiving of any chainline issues. and it's lighter. and you can run a non-144bcd crank.

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1/8 would be the better way to go....it feels beefier.
yes, it does.
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