Dropped into LBS for Chain Lube
#1
Dropped into LBS for Chain Lube
Picture denied, not enough posts yet.
Ten speed Ultegra cs-6700 - can you tell by looking at this picture if these cogs are OK?
I just put a new chain on my bike. I thought the cogs looked OK. Have had no problems till now. Now, it seems I cannot get the gears indexed. They keep acting as if the derailleur is between gears. I try tightening the cable with the barrel adjuster, loosening... On the bike stand, pedaling by hand, sooth shifting. I start riding, chachunk... Chunk... Cha-cha, CHUNK...
Am I going to have to become the proud owner of a new cassette to run this new chain?
What are your thoughts?
Thank you.
Ten speed Ultegra cs-6700 - can you tell by looking at this picture if these cogs are OK?
I just put a new chain on my bike. I thought the cogs looked OK. Have had no problems till now. Now, it seems I cannot get the gears indexed. They keep acting as if the derailleur is between gears. I try tightening the cable with the barrel adjuster, loosening... On the bike stand, pedaling by hand, sooth shifting. I start riding, chachunk... Chunk... Cha-cha, CHUNK...
Am I going to have to become the proud owner of a new cassette to run this new chain?
What are your thoughts?
Thank you.
#2
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How many miles on that cassette and the old chain. It sure sounds like the cogs are not matching up with the new chain. Not unusual it they had a lot of miles.
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#3
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I learned this the hard way. How long had you used the old chain before changing it? Did you compare the new chain's length with the old to see how much wear? The first chain I ever replaced on my old bike was OLD and the new chain jumped cogs like crazy. Like your situation - everything worked fine on a stand.
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#6
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#7
Maybe I put on backward. I did not notice any difference in how the links are marked on the two sides, so I put it on so the labels are oriented right side up on the top from top of rear derailleur to chain ring, when viewed from right side of the bike.
Last edited by danallen; 11-25-19 at 08:00 PM. Reason: corrected spelling
#8
I learned this the hard way. How long had you used the old chain before changing it? Did you compare the new chain's length with the old to see how much wear? The first chain I ever replaced on my old bike was OLD and the new chain jumped cogs like crazy. Like your situation - everything worked fine on a stand.
Last edited by danallen; 11-25-19 at 07:59 PM. Reason: spelling
#9
This is the cassette
#10
Senior Member
The new chain is SRAM P1051. The LBS siad this chain works with Shimano.
Maybe I put on backward. I did not notice any difference in how the links are marked on the two sides, so I put it on so the labels are oriented right side up on the top from top of rear derailleur to chain ring, when viewed from right side of the bike.
Maybe I put on backward. I did not notice any difference in how the links are marked on the two sides, so I put it on so the labels are oriented right side up on the top from top of rear derailleur to chain ring, when viewed from right side of the bike.
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#11
Banned
Time for a new cassette. You have unknown mileage on that one and you can't judge wear by looking at it.
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#13
You don't have a 6700 cassette - the lockring is clearly labelled: 7800, meaning Dura-Ace, unless someone inexplicably swapped out your lockring. The cassette doesn't look particularly worn, although if the original owner of the bike was putting in any decent miles, the chain should have been replaced at least a dozen times since purchase, and the cassette replaced 4+ times.
7800 cassettes new cost around $250 when you could get them; even used now they will fetch $50 at least. I am sure your local shop would be pleased to take this used and worthless cassette off of your hands for replacement. Then out the back door onto Ebay for mechanics beer fund money.
Are all of the cogs skipping, or only a few? Or is the problem with the chainrings? Or a mangled or mis-installed quick link? Too many vague clues here.
7800 cassettes new cost around $250 when you could get them; even used now they will fetch $50 at least. I am sure your local shop would be pleased to take this used and worthless cassette off of your hands for replacement. Then out the back door onto Ebay for mechanics beer fund money.
Are all of the cogs skipping, or only a few? Or is the problem with the chainrings? Or a mangled or mis-installed quick link? Too many vague clues here.
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Yep. Plus I usually find my most used chainring will start jumping after about every 3rd cassette change, usually only on out of the saddle efforts.
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#16
You don't have a 6700 cassette - the lockring is clearly labelled: 7800, meaning Dura-Ace, unless someone inexplicably swapped out your lockring. The cassette doesn't look particularly worn, although if the original owner of the bike was putting in any decent miles, the chain should have been replaced at least a dozen times since purchase, and the cassette replaced 4+ times.
7800 cassettes new cost around $250 when you could get them; even used now they will fetch $50 at least. I am sure your local shop would be pleased to take this used and worthless cassette off of your hands for replacement. Then out the back door onto Ebay for mechanics beer fund money.
Are all of the cogs skipping, or only a few? Or is the problem with the chainrings? Or a mangled or mis-installed quick link? Too many vague clues here.
7800 cassettes new cost around $250 when you could get them; even used now they will fetch $50 at least. I am sure your local shop would be pleased to take this used and worthless cassette off of your hands for replacement. Then out the back door onto Ebay for mechanics beer fund money.
Are all of the cogs skipping, or only a few? Or is the problem with the chainrings? Or a mangled or mis-installed quick link? Too many vague clues here.
New 6700 is available for about $60.
Not all cogs are affected. I read somewhere this problem can settle down after putting on a new chain. The problem was worse, now it is affecting 2-3 cogs in the middle of the rear cassette, when running the small chain ring.
The quick links appears correctly installed and moves as freely as any of the other links.
The chain rings are not jumping at all.
#17
Every single comment is helpful, thank you.
#18
Senior Member
chain routed correctly through the derailleur pulleys?
I have replaced about a zillion chains. In my haste a couple of chains ago, I accidentally threaded the chain over one of the metal guides on the rear derailleur. I rode the bike for a number of miles but things were not shifting just right. Came home to find out I screwed up how chain was routed. Fixed in about 2 minutes.
#19
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I have replaced about a zillion chains. In my haste a couple of chains ago, I accidentally threaded the chain over one of the metal guides on the rear derailleur. I rode the bike for a number of miles but things were not shifting just right. Came home to find out I screwed up how chain was routed. Fixed in about 2 minutes.
OP I am disappointed, I clicked thinking this was going to be a new bike thread.
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#20
IME chain skip is more often caused by
a misaligned [derailleur] hanger
than by a worn cassette, and we never think of the derailleur hanger first.
a misaligned [derailleur] hanger
than by a worn cassette, and we never think of the derailleur hanger first.
Last edited by nycphotography; 02-25-20 at 01:51 PM.
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How do rear dropouts outs suffer that type of paint chipping? Just curious.
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Picture denied, not enough posts yet.
Ten speed Ultegra cs-6700 - can you tell by looking at this picture if these cogs are OK?
I just put a new chain on my bike. I thought the cogs looked OK. Have had no problems till now. Now, it seems I cannot get the gears indexed. They keep acting as if the derailleur is between gears. I try tightening the cable with the barrel adjuster, loosening... On the bike stand, pedaling by hand, sooth shifting. I start riding, chachunk... Chunk... Cha-cha, CHUNK...
Am I going to have to become the proud owner of a new cassette to run this new chain?
What are your thoughts?
Thank you.
Ten speed Ultegra cs-6700 - can you tell by looking at this picture if these cogs are OK?
I just put a new chain on my bike. I thought the cogs looked OK. Have had no problems till now. Now, it seems I cannot get the gears indexed. They keep acting as if the derailleur is between gears. I try tightening the cable with the barrel adjuster, loosening... On the bike stand, pedaling by hand, sooth shifting. I start riding, chachunk... Chunk... Cha-cha, CHUNK...
Am I going to have to become the proud owner of a new cassette to run this new chain?
What are your thoughts?
Thank you.
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hanger is bent
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