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5800 105 crank and FSA Team chain, never seen anything like it

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5800 105 crank and FSA Team chain, never seen anything like it

Old 03-22-16, 08:02 AM
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5800 105 crank and FSA Team chain, never seen anything like it

Ok so you know how every 11 speed chain is supposed to work with every 11 speed component. Well lucky me found a bad combo, 5800 105 crank and 11s FSA Team chain (less than 100 miles btw). I put it on and went to adjust the rd and while I'm spinning the crank the chain is being sucked up the crank, dropping it off the inside and making a heck of a racket. So I figure let me put on a Shimano chain and sure enough it works just fine. The weird thing is that I had this FSA chain on my Cannondale SI crank with no problems. It's almost like the 105's teeth are too close together or too wide fore-aft (not side to side). Anyone ever seen anything like this?? The fit is so tight the chain won't fall off the crank upside down!




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Old 03-22-16, 08:10 AM
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You mentioned you had that chain on a Cannondale SI crank. Was it the same exact chain or is this a new one just like it? If it's the same chain, perhaps it's worn enough that it doesn't match the tooth profile of the new 105 crank and that's the problem. If it's a brand new FSA chain, yes, that's a new one to me also.
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Old 03-22-16, 09:06 AM
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Wear is not the issue. In fact if the chain was stretched from wear it would probably work better.
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Old 03-22-16, 10:15 AM
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Somehow, I'd bet that they put the wrong chain in the package. Have you measured it?
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Old 03-22-16, 10:20 AM
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Originally Posted by shoota View Post
Wear is not the issue. In fact if the chain was stretched from wear it would probably work better.
Originally Posted by AlexCyclistRoch View Post
Somehow, I'd bet that they put the wrong chain in the package. Have you measured it?
My first two thoughts as well...
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Old 03-22-16, 10:21 AM
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Originally Posted by AlexCyclistRoch View Post
Somehow, I'd bet that they put the wrong chain in the package. Have you measured it?
Originally Posted by rmfnla View Post
My first two thoughts as well...
Measured what?
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Old 03-22-16, 10:23 AM
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The width of the chain...
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Old 03-22-16, 10:24 AM
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Originally Posted by rmfnla View Post
The width of the chain...
Oh I see, you state that it's the f-r that seems tight, not the side to side...
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Old 03-22-16, 10:26 AM
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Originally Posted by rmfnla View Post
Oh I see, you state that it's the f-r that seems tight, not the side to side...
If it only does that on the inner ring, it could be the chain is too wide and being squeezed against the inner edge of the big ring I suppose.
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Old 03-22-16, 10:33 AM
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Originally Posted by rmfnla View Post
Oh I see, you state that it's the f-r that seems tight, not the side to side...
Right.

Originally Posted by dr_lha View Post
If it only does that on the inner ring, it could be the chain is too wide and being squeezed against the inner edge of the big ring I suppose.
It's not, I checked that.
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Old 03-22-16, 10:36 AM
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Also, if it were a chain width problem it wouldn't work correctly on the three 11s cassettes and two other cranks I've used it on. The only difference in the equation is the 105 5800 crank, and the Shimano chain that came with it. I have no idea what's up with it. The 105's teeth do seem wide, front-to-back, but I have no way to measure that to make sure. And I was under the impression that all 11s chains have the same space between each link's rollers.
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Old 03-22-16, 11:37 AM
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Originally Posted by shoota View Post
Also, if it were a chain width problem it wouldn't work correctly on the three 11s cassettes and two other cranks I've used it on. The only difference in the equation is the 105 5800 crank, and the Shimano chain that came with it. I have no idea what's up with it. The 105's teeth do seem wide, front-to-back, but I have no way to measure that to make sure. And I was under the impression that all 11s chains have the same space between each link's rollers.
Does it work with the Shimano chain? If so, my suggestion is to use that and move on.
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Old 03-22-16, 11:39 AM
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Originally Posted by dr_lha View Post
Does it work with the Shimano chain? If so, my suggestion is to use that and move on.
Yes, and I am. But that doesn't mean I don't want answers ya know?
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Old 03-22-16, 11:42 AM
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Originally Posted by shoota View Post
Yes, and I am. But that doesn't mean I don't want answers ya know?
I get it, I really do!

BTW you never mentioned how worn the FSA chain was.

Honestly before today I had never even heard of an FSA chain. Perhaps they're just crap?
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Old 03-22-16, 11:44 AM
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Originally Posted by shoota View Post
Ok so you know how every 11 speed chain is supposed to work with every 11 speed component. Well lucky me found a bad combo, 5800 105 crank and 11s FSA Team chain (less than 100 miles btw). I put it on and went to adjust the rd and while I'm spinning the crank the chain is being sucked up the crank, dropping it off the inside and making a heck of a racket. So I figure let me put on a Shimano chain and sure enough it works just fine. The weird thing is that I had this FSA chain on my Cannondale SI crank with no problems. It's almost like the 105's teeth are too close together or too wide fore-aft (not side to side). Anyone ever seen anything like this?? The fit is so tight the chain won't fall off the crank upside down!
Originally Posted by dr_lha View Post
I get it, I really do!

BTW you never mentioned how worn the FSA chain was.

Honestly before today I had never even heard of an FSA chain. Perhaps they're just crap?
I hadn't heard of one either but I figured since it was their Team chain it couldn't be *all* that bad right? And it was just fine, till now.
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Old 03-22-16, 11:48 AM
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Ah sorry, I missed that. I did search as well.
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Old 03-22-16, 11:49 AM
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I had a similar problem with an FSA 10 speed crankset and Shimano chain. I didn't even know FSA made chains, but I will certainly add it to the3 list of FSA products I am not going to buy. However, this sounds like chainsuck - J LEVY | BikeTechArticles | Chain-Suck : Its causes and mechanisms, How to avoid, prevent, and remedy - and from the fist item on that page:
You really want to suffer from ChainSuck ?

Use a NEW chain with your WORN chain-ring !!
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Old 03-22-16, 01:12 PM
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Originally Posted by Wilfred Laurier View Post
I had a similar problem with an FSA 10 speed crankset and Shimano chain. I didn't even know FSA made chains, but I will certainly add it to the3 list of FSA products I am not going to buy. However, this sounds like chainsuck - J LEVY | BikeTechArticles | Chain-Suck : Its causes and mechanisms, How to avoid, prevent, and remedy - and from the fist item on that page:
Thanks for the article. It does indeed sound like chain suck but none of those situations apply to this scenario. Maybe the chain and crank are just not compatible.
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Old 03-23-16, 05:33 PM
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how does the diameter of the rollers compare between the FSA and Shimano chains? I'll guess that the FSA is slightly larger.
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Old 03-23-16, 07:21 PM
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Is the chain directional? Shimano chains are...logo should face the outside.
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Old 03-24-16, 07:04 AM
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Originally Posted by vettracer View Post
how does the diameter of the rollers compare between the FSA and Shimano chains? I'll guess that the FSA is slightly larger.
Hmm, I don't know the answer to that...

Originally Posted by rccardr View Post
Is the chain directional? Shimano chains are...logo should face the outside.
Good question. I'll have to take a better look when I get home but I don't remember there being logos only on one side. BTW how can a chain be directional? And why, for crying out loud. I guess I got lucky when I installed the Shimano chain on this then..


edit: I can't find anything about FSA chains being directional, I don't believe they are.
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Old 03-24-16, 08:27 AM
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Originally Posted by shoota View Post
Good question. I'll have to take a better look when I get home but I don't remember there being logos only on one side. BTW how can a chain be directional? And why, for crying out loud. I guess I got lucky when I installed the Shimano chain on this then..
The directionality of the chain is only important when changing gears, it shouldn't cause the issue you have. FYI not all Shimano chains are directional. The one on my Ultegra bike is not, my 105 bike is.

EDIT: The differences are in the sculpting of the outside of the outer plates of the chain, essentially some chamfering of the edges to aide in better changing of gears. Not sure if it really makes any difference.
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Old 03-24-16, 09:53 AM
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Originally Posted by dr_lha View Post
The directionality of the chain is only important when changing gears, it shouldn't cause the issue you have. FYI not all Shimano chains are directional. The one on my Ultegra bike is not, my 105 bike is.

EDIT: The differences are in the sculpting of the outside of the outer plates of the chain, essentially some chamfering of the edges to aide in better changing of gears. Not sure if it really makes any difference.
Roger that. I don't think this FSA chain is. I'm still baffled as to why it fits so tight. I guess the rollers are just too wide for the 105 crank's teeth..
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Old 03-24-16, 12:42 PM
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Originally Posted by Wilfred Laurier View Post
I had a similar problem with an FSA 10 speed crankset and Shimano chain. I didn't even know FSA made chains, but I will certainly add it to the3 list of FSA products I am not going to buy. However, this sounds like chainsuck - J LEVY | BikeTechArticles | Chain-Suck : Its causes and mechanisms, How to avoid, prevent, and remedy - and from the fist item on that page:
So is the recommendation to use a worn chain with your "WORN chain-ring" (where do I get a pre-worn, but not worn out, chain)? Or do they recommend replacing the chain rings whenever the chain is worn out (could get pretty expensive, 11-speed chains are pricey enough without having to replace chain rings as well)?
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Old 03-24-16, 12:49 PM
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Originally Posted by KenshiBiker View Post
So is the recommendation to use a worn chain with your "WORN chain-ring" (where do I get a pre-worn, but not worn out, chain)? Or do they recommend replacing the chain rings whenever the chain is worn out (could get pretty expensive, 11-speed chains are pricey enough without having to replace chain rings as well)?
The recommendation is to replace the chain before it gets worn enough that it starts wearing your chainring. Chainrings should last many chains if the chains are not allowed to get too stretched before they are replaced.

Oh and 11-speed chains are pricey? $23 is what I paid for my last one!
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