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What chain for my ‘20 Giant Defy?

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What chain for my ‘20 Giant Defy?

Old 07-10-21, 02:56 PM
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GBK233
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What chain for my ‘20 Giant Defy?

Bike has 1000+ miles on it. It has almost .5% stretch….so probably going to need to replace in the month or so. OEM chain is
a KMC X11EL-1.
Should I stick with OEM or is there another chain I should be looking at?

Couldn’t care less about weight. Would rather have quality/longevity

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Old 07-10-21, 09:51 PM
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Any Shimano 11 road chain. Or pretty much any KMC 11 chain. Hell, if the only thing I could get was a SRAM chain I'd put that on and not worry about it.
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Old 07-11-21, 07:15 PM
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Originally Posted by cxwrench View Post
Any Shimano 11 road chain. Or pretty much any KMC 11 chain. Hell, if the only thing I could get was a SRAM chain I'd put that on and not worry about it.
What about the Campanoglios or those Cool Whipperman chains?
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Old 07-11-21, 07:46 PM
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Absolutely, they're both great chains.
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Old 07-11-21, 07:56 PM
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Originally Posted by GBK233 View Post
Bike has 1000+ miles on it. It has almost .5% stretch…
Do you clean and oil it regularly?

I get around 3000+ miles from a Sram 1190 chain.
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Old 07-11-21, 08:04 PM
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Originally Posted by GlennR View Post
Do you clean and oil it regularly?

I get around 3000+ miles from a Sram 1190 chain.

my chain is pretty much spotless. I degrease and clean it weekly. I use Smoove chain lube
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Old 07-11-21, 09:03 PM
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Originally Posted by GBK233 View Post
I degrease and clean it weekly.
Why?

A chain lasting only 1000 miles is unusual. Degreasing and re-lubing every week is unusual. The two unusual things are probably related.
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Old 07-12-21, 02:22 PM
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Originally Posted by WhyFi View Post
Why?

A chain lasting only 1000 miles is unusual. Degreasing and re-lubing every week is unusual. The two unusual things are probably related.
How would spraying some degreaser and cleaning a chain….cause it to “prematurely” stretch? I mentioned that in another month or so I would probably need to replace it. In that time I’ll have another 600ish miles on the chain. So even in that scenario the chain I would have about 1500 miles on it.
I weigh 200lbs….I would guess that the heavier a rider is, the faster a chain would stretch, but I surely could be wrong about that.
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Old 07-12-21, 02:36 PM
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Originally Posted by GBK233 View Post
How would spraying some degreaser and cleaning a chain….cause it to “prematurely” stretch? I mentioned that in another month or so I would probably need to replace it. In that time I’ll have another 600ish miles on the chain. So even in that scenario the chain I would have about 1500 miles on it.
I weigh 200lbs….I would guess that the heavier a rider is, the faster a chain would stretch, but I surely could be wrong about that.
It's called "chain stretch," but chains don't actually stretch - the elongation is because of internal wear that causes more play between the links. If I had to hazard a guess, you're probably not doing a good enough job of getting lube back in to the rollers each and every time you degrease, which would cause premature wear.
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Old 07-12-21, 02:41 PM
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I just put oil on my chain. Being overly generous with degreaser just seems like you might wash the lube out of places the lube really needs to be. And when you re-lube the chain, how do you know the new lube displaced the degreaser that displaced the previous lube?
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Old 07-12-21, 02:45 PM
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I mean, if you're already *really* degreasing your chain and you want to keep your drivetrain clean, buy some Molten Speed Wax and a $10 mini crockpot from Target. My current chains (I buy/use two at a time so that I can do a quick swap every other time) have about 4k miles each on them and have less stretch than yours.
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Old 07-12-21, 02:53 PM
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Originally Posted by WhyFi View Post
It's called "chain stretch," but chains don't actually stretch - the elongation is because of internal wear that causes more play between the links. If I had to hazard a guess, you're probably not doing a good enough job of getting lube back in to the rollers each and every time you degrease, which would cause premature wear.

I guess it’s possible.

I degrease and scrub the chain with a brush. I then lube each individual link….including the pins coming thru the side plates. I pedal the bike a bunch while it’s on the stand to get the lube spread around. I then leave it overnight.
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Old 07-12-21, 02:57 PM
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Originally Posted by GBK233 View Post
I guess it’s possible.
We *know* that your chain wear is premature; the mileage that you're talking about would have many people here buying a new chain every 4-6 weeks.
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Old 07-12-21, 03:01 PM
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Originally Posted by GBK233 View Post
I guess it’s possible.

I degrease and scrub the chain with a brush. I then lube each individual link….including the pins coming thru the side plates. I pedal the bike a bunch while it’s on the stand to get the lube spread around. I then leave it overnight.
"Degrease" how? For example, Overnight submersion in mineral spirits, or just wiping chain with a rag that might be dampened with something or other to get the visible crud off? etc
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Old 07-12-21, 03:01 PM
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Originally Posted by WhyFi View Post
We *know* that your chain wear is premature; the mileage that you're talking about would have many people here buying a new chain every 4-6 weeks.

no. I meant it’s possible im not getting lube deeply enough into the chain.
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Old 07-12-21, 03:03 PM
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Originally Posted by Sy Reene View Post
"Degrease" how? For example, Overnight submersion in mineral spirits, or just wiping chain with a rag that might be dampened with something or other to get the visible crud off? etc
Spray with degreaser(Purple Power) and scrub with a brush. Rinse. Dry chain with towel then Air dry in the sun. Then Smoove lube.
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Old 07-12-21, 03:42 PM
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Originally Posted by GBK233 View Post
Spray with degreaser(Purple Power) and scrub with a brush. Rinse. Dry chain with towel then Air dry in the sun. Then Smoove lube.
From my personal anecdotal experience (which I readily admit is likely not statistically relevant) Purple Power may be too harsh for chains.

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Old 07-12-21, 03:46 PM
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Originally Posted by GBK233 View Post
no. I meant it’s possible im not getting lube deeply enough into the chain.
From what I have read in these forums it seems that there may be some difficulty in getting more waxy lubricants like Squirt and Smoove into the rollers during cooler temperatures.
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Old 07-12-21, 04:55 PM
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Originally Posted by veganbikes View Post
What about the Campanoglios or those Cool Whipperman chains?
+1 for Wippermann
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Old 07-12-21, 05:04 PM
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Originally Posted by Sy Reene View Post
"Degrease" how? For example, Overnight submersion in mineral spirits, or just wiping chain with a rag that might be dampened with something or other to get the visible crud off? etc
best way is:
Leave it in Petrol = 4-6 hours after that
Degreaser = 1/2 hour, then washout degreaser with water.
Put in Methylated Sprits = 1/2 hour.
Let it dry and you will have a perfectly degreased chain. Dont leave it without grease for too long or it will begin to rust.
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Old 07-12-21, 07:06 PM
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Well…now I’ve gone down the YouTube rabbit hole regarding chains and chain lube. I’m kinda liking the melted wax thing.

One video by “Oz Cycle” showed a recipe using refined paraffin wax and PTFE powder mixed in a crock pot.

unless someone has a good reason that this is not a good idea….I think I’m going to give it a try. Will probably soak my chain in kerosene and clean the heck out of it…..rinse and dry…..then once it’s spotless, go the melted wax route.
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Old 07-12-21, 07:19 PM
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Originally Posted by GBK233 View Post
Well…now I’ve gone down the YouTube rabbit hole regarding chains and chain lube. I’m kinda liking the melted wax thing.

One video by “Oz Cycle” showed a recipe using refined paraffin wax and PTFE powder mixed in a crock pot.

unless someone has a good reason that this is not a good idea….I think I’m going to give it a try. Will probably soak my chain in kerosene and clean the heck out of it…..rinse and dry…..then once it’s spotless, go the melted wax route.
If you're willing to put in the time and effort on the initial cleaning, wax is much, much lower effort. If you want to go through the trouble of the homebrew mix, go ahead, but it's a lot easier to buy a bag of MSW (and it's not expensive - it should last you a 10,000+ miles).
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Old 07-12-21, 07:44 PM
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By the low numbers you might as well just wipe with a rag and lube on top. Thats what I do most of the time, only occasionally cleaning it with white spirit. I find the investment in time and cleaning agents to be dubious compared to the price of a, admittedly 10 speed, chain. I never get the silly miles ppl like to post, but mostly I can replace chains with no skipping or other issues. Not tracking my miles on most rides I guess about 2500 mi. Then again there is no knowing what your gauge considers "0.5%". It may be overly conservative. For some time I have used a digital calliper and replace the chain before the "between the rollers distance" have enlarged 0.75% (~132.25mm -> 133.20mm). At that point true elongation is in fact less than 0.5% but the chain is notably worn in the rollers and has obvious side play.
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Old 07-12-21, 07:50 PM
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Originally Posted by Racing Dan View Post
Then again there is no knowing what your gauge considers "0.5%". It may be overly conservative. .
Good point….mine is a cheap gauge from Amazon. Could be inaccurate. I’ll pickup a better quality tool…maybe a Park Tool gauge.
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Old 07-12-21, 10:15 PM
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Originally Posted by GBK233 View Post
Good point….mine is a cheap gauge from Amazon. Could be inaccurate. I’ll pickup a better quality tool…maybe a Park Tool gauge.
Or you might consider the Pedro version:

Amazon.com : Chain Checker Plus II, Black : Sports & Outdoors

Slightly cheaper than the analogous Park model, plus it can (1) hold the chain for quick link installation and (2) serve as a chain ring nut wrench.

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