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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 12-16-06, 04:18 PM   #1
jeac
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How long should you have a chain before you replace it?

typically?
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Old 12-16-06, 04:26 PM   #2
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You should replace it fairly soon after it breaks.
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Old 12-16-06, 04:31 PM   #3
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haha thanks!

but i mean how long does it take for your chain to stretch out alot and get worn, or can you not really say until it breaks?
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Old 12-16-06, 04:41 PM   #4
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Sheldon Brown has a good article, I suggest you start there. It's really going to depend on how you ride, how much you ride etc.
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Old 12-16-06, 05:13 PM   #5
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just measure it and when it is stretched, replace it.
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Old 12-16-06, 05:56 PM   #6
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Inspect regularly for a weak link, then you just have to replace the one link.
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Old 12-16-06, 07:27 PM   #7
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http://www.parktool.com/products/det...at=5&item=CC-3
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Old 12-16-06, 08:01 PM   #8
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Originally Posted by odie91
just measure it and when it is stretched, replace it.
Thread over.
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Old 12-16-06, 08:03 PM   #9
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Quote:
Originally Posted by Rugen
+1 things are super cheap and worth it. Especially when performance has them on sale, I think there is a spin doctor one that is cheaper.

Also a good thing to have when hunting for old bikes at flea markets and CL. Old bikes usually have crappy chains, whip that out, show the seller the chain is crap and gives you a little room to haggle.
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Old 12-16-06, 08:58 PM   #10
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ok thanks, i was just wondering how often people on here seem to have to get new chains. I've been riding with this same one since mid July, but its still seems to be in decent condition
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Old 12-17-06, 12:03 AM   #11
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Originally Posted by jeac
ok thanks, i was just wondering how often people on here seem to have to get new chains. I've been riding with this same one since mid July, but its still seems to be in decent condition
Impossible to say, there are too many factors at work.
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Old 12-17-06, 03:25 AM   #12
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get a chain checker and check it duh
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Old 12-17-06, 11:12 AM   #13
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i reckon about 3000 miles would be a pretty good average
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Old 12-18-06, 08:15 AM   #14
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A ruler is an awesome chainchecker, and you probably already have one. Pins should line up on the 1/2" marks. If over a foot of it, the chain is stretched 1/8", that's too much. Toss it.
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Old 12-18-06, 09:46 AM   #15
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Quote:
Originally Posted by Aeroplane
A ruler is an awesome chainchecker, and you probably already have one. Pins should line up on the 1/2" marks. If over a foot of it, the chain is stretched 1/8", that's too much. Toss it.
+100
Park is a great company but if you can't use a damn ruler on your chain you should have someone else look at it/show you how. I love using the right tool for the right job but seriously, ALL YOU NEED IS A RULER.
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Old 12-18-06, 10:00 AM   #16
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but a chain tool makes even the ruler method look hard... AND IT'S NOT HARD.

with my checker it is seriously under 5 seconds. in, out, on with life...
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Old 12-18-06, 10:43 AM   #17
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I replaced my 1/8" chain after about 4000 km. It was stretched just over 3/32".
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Old 12-18-06, 10:45 AM   #18
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Quote:
Originally Posted by coelcanth
i reckon about 3000 miles would be a pretty good average
Rather than telling you to get a tool and check, here is my rule of thumb. You may find things differently, depending on how well you maintain your chain. Poor maintenance will wear them quicker, and good maintenance will help them last longer.

At about 2000 miles, I measure my chains to see if I can see any sign of wear. I just use a ruler rather than one of the tools. I've never had a chain showing "stretch" at 2000 miles yet, but you never know. I check again at 2500, 3000, and 3500 miles. If I see any sign of wear, the chain gets replaced immediately so it doesn't trash the rear cassette. If I get to 4000 miles, I replace the chain just because I think one shouldn't last that long.
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Old 12-18-06, 12:14 PM   #19
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Quote:
Originally Posted by Aeroplane
A ruler is an awesome chainchecker, and you probably already have one. Pins should line up on the 1/2" marks. If over a foot of it, the chain is stretched 1/8", that's too much. Toss it.
thanks, aeroplane, i'll check that tonight!
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Old 12-18-06, 12:22 PM   #20
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Quote:
Originally Posted by twilkins9076
Rather than telling you to get a tool and check, here is my rule of thumb. You may find things differently, depending on how well you maintain your chain. Poor maintenance will wear them quicker, and good maintenance will help them last longer.

At about 2000 miles, I measure my chains to see if I can see any sign of wear. I just use a ruler rather than one of the tools. I've never had a chain showing "stretch" at 2000 miles yet, but you never know. I check again at 2500, 3000, and 3500 miles. If I see any sign of wear, the chain gets replaced immediately so it doesn't trash the rear cassette. If I get to 4000 miles, I replace the chain just because I think one shouldn't last that long.

Good god man! You've never had a chain showing stretch after 2000 miles? What kind of chain are you using. The most I've ever gotten out of a chain was 2000 miles, and yes I do keep my chains clean and lubed. I usually can detect some amount of stretch after 500 miles or so.

Edit: I should add that I was refering to my fixed gear and single speed bikes, where I've used various KMC BMX 1/8" chains and Sram 3/32" inch chains. I just bought a high end Izumi track chain..maybe that will go further. I can get a lot more mileage out of the Shimano HG chains I use on my geared bikes.

Last edited by mihlbach; 12-19-06 at 06:03 AM.
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Old 12-18-06, 01:29 PM   #21
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Quote:
Originally Posted by Aeroplane
A ruler is an awesome chainchecker, and you probably already have one. Pins should line up on the 1/2" marks. If over a foot of it, the chain is stretched 1/8", that's too much. Toss it.
if you let it get to 1/8" over per foot, you may very well end up changing out the chainring and cog too, or at least be prepared for some noise till the new chain stretches a bit
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Old 12-18-06, 02:23 PM   #22
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it's somewhat difficult to estimate the mileage i've put on this chain, i'd estimate somewhere in the area of 1200-1500.
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Old 12-19-06, 05:23 AM   #23
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Quote:
Originally Posted by max-a-mill
but a chain tool makes even the ruler method look hard... AND IT'S NOT HARD.

with my checker it is seriously under 5 seconds. in, out, on with life...
Or 3 beers with the money you save and a slightly more drunken life.
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Old 12-19-06, 10:38 AM   #24
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I agree the ruler will work just fine, but I suggested the tool for a few reasons:
1. You don't have to remember the ideal pin distance
2. it's small and light and you can leave it in your gear... and it's not likely to break or get unreadable if you're stuffing it in a bag or a toolbox like a plastic or wooden ruler would.
3. For noobs it leaves the judgment out... it's a binary thing... it's go or not.
Both work just as well.
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Old 12-19-06, 10:48 AM   #25
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at first i thought this tool in question was a different Park tool, where it just measures one link. those are prone to breaking and besides, what's the point of measuring one link? better to measure 6 or twelve and see if there's an amount of average wear that would require a new chain.
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