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Old 03-22-10, 04:17 PM   #1
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skip one link

This has been happening to me on all bikes and I was wondering if it's normal. It doesn't feel like it should be. When I stand to take off from a light or stop sign it feels like it slips a link, but very rarely does it happen. Maybe a little stone or something. I put the bike on the stand and it goes through all the gears with no problem Then I try it on the road with no problems. I looked for bent teeth and I cant find any. I looked for a kinked link and found none. Doe's anybody else have this happen to them?
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Old 03-22-10, 04:39 PM   #2
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Do you have a newer chain with an older cassette? It's a sign of cassette wear. bk
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Old 03-22-10, 05:29 PM   #3
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Do you have a newer chain with an older cassette? It's a sign of cassette wear. bk
Thanks, but no it's a new cassette.
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Old 03-22-10, 05:34 PM   #4
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This has been happening to me on all bikes . . .
You have the same feeling on numerous bikes? If so, I'd suggest looking at your shoes and cleats.
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Old 03-22-10, 05:47 PM   #5
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George,

Do you hear anything that goes along with this "feeling"? That may tell us more.
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Old 03-22-10, 05:52 PM   #6
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You have the same feeling on numerous bikes? If so, I'd suggest looking at your shoes and cleats.
I just checked and the cleats and they are tight. I was thinking it could have been a peddle or something. I thought I broke my chain this morning and after that it was OK again. Maybe I'll try and take a turn and tighten the cable a little and see what happens. Thanks for the reply.
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Old 03-22-10, 05:54 PM   #7
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Thanks, but no it's a new cassette.
New cassette with old chain? That would do it too, I think.
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Old 03-22-10, 05:54 PM   #8
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George,

Do you hear anything that goes along with this "feeling"? That may tell us more.
No it just happens, sometimes when I just riding along, but must times from a start when I stand on the pedals.
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Old 03-22-10, 05:56 PM   #9
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New cassette with old chain? That would do it too, I think.
That's what's baffling me. I measured my chains this past weekend and they are all right on.
ps, I measure the chain with a steel ruler.
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Old 03-22-10, 06:03 PM   #10
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No it just happens, sometimes when I just riding along, but must times from a start when I stand on the pedals.
Interesting - no chuncking sounds? I wonder if it might be a freewheel issue.
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Old 03-22-10, 06:07 PM   #11
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Interesting - no chuncking sounds? I wonder if it might be a freewheel issue.
I didn't check that, but it's worth a try. It would be really something to be on all bikes. I'm going to ride my Jamis and see what happens. I just put a new chain and cassette on it. Thanks everybody for the replies.
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Old 03-22-10, 06:09 PM   #12
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I didn't check that, but it's worth a try. It would be really something to be on all bikes. I'm going to ride my Jamis and see what happens. I just put a new chain and cassette on it. Thanks everybody for the replies.
Oh - I missed that clue.
Probably not related to the bike then, must be the shoes or cleats or do you have a replacement joint.
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Old 03-23-10, 03:24 AM   #13
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Seems that it is on all bikes so it must be something other than the bike. I say stop stopping at lights and stop signs and blow through them, problem solved!
All joking aside I was thinking freewheel, but on all bikes? I dunno.
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Old 03-23-10, 07:52 AM   #14
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No it just happens, sometimes when I just riding along, but must times from a start when I stand on the pedals.
If it happens on one bike, check the bike first, if it happens on more then one bike, check whatever is the common factors. If it's not the shoes or the cleats, I would look to see if the cleats might be worn, there could be some play in the cleat, that is allowing it to move under certain conditions. I would take the shoes to your LBS and have them look at the cleats. If it's not the shoes or the cleats, then the only other thing that is a common factor is the engine.
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Old 03-23-10, 08:53 AM   #15
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Not as likely, but it is still possible that there is a problem with the bikes if something is being set up incorrectly and this is being repeated on each bike.
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Old 03-23-10, 09:34 AM   #16
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Put it in your lowest gear, then mash up a very steep hill. Does it happen then? If so, I think the old chain/new cassette issue is the problem.

Also, measure your chain for wear.
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Old 03-23-10, 09:40 AM   #17
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I believe I have been experiencing the same thing, and I think backpedaling causes the problem.
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Old 03-23-10, 10:05 AM   #18
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Not as likely, but it is still possible that there is a problem with the bikes if something is being set up incorrectly and this is being repeated on each bike.
I took the Jamis out this morning with the bar end shifters and didn't have a problem. So that tells me that I have a cable adjustment to make. I kind of thought that, but never got around to doing it. It didn't happen that much and by the time I got home I really didn't think about doing it. Anyhow I would bet that's where the problem lies. When I got home yesterday it just happened and that's when I posted. Thanks everybody for the replies and safe riding to you all.

ps. that Jamis is sure a nice riding bike.
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Old 03-23-10, 10:42 AM   #19
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Sheldon Browne also lists a different source in addition to those mentioned here; frame torq/twist. When "mashing down" from a start or hitting a bigger gear, the frame can slightly twist causing a stretch of the cables to the derailers and a brief gear jump. His "fix" is to lubricate the cables under your BB to make sure it moves as smoothly as possible. I have this problem when climbing on my mountain bike and have found that a little lube on the cable helps.
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Old 03-23-10, 10:48 AM   #20
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Sheldon Browne also lists a different source in addition to those mentioned here; frame torq/twist. When "mashing down" from a start or hitting a bigger gear, the frame can slightly twist causing a stretch of the cables to the derailers and a brief gear jump. His "fix" is to lubricate the cables under your BB to make sure it moves as smoothly as possible. I have this problem when climbing on my mountain bike and have found that a little lube on the cable helps.
Wow, that sounds like a winner. I weigh 200# so I probably put a little twist to the frame. Thanks a lot.
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Old 03-23-10, 02:52 PM   #21
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A dirty chain can do that, too.

Also, without knowing the type/quality of bike, it's still ballpark guessing. I had a $700 bike several years ago that came with a cheap crank/rings, and that crank gave me endless problems like you describe. Since upgrading to XT on one bike, and Race Face on the others, that problem happens about 2x/year. BTW, I weigh 230, commute and ride about 300-400 miles a month.
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Old 03-23-10, 04:20 PM   #22
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This has been happening to me on all bikes
A cable adjustment would not fix "all bikes".
The frame flex would also be different on each bike.
Does it really happen on all bikes?
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Old 03-23-10, 04:42 PM   #23
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A cable adjustment would not fix "all bikes".
No, but if the shifter cables have never been adjusted from new...

Slack happens.
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Old 03-23-10, 04:56 PM   #24
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A cable adjustment would not fix "all bikes".
The frame flex would also be different on each bike.
Does it really happen on all bikes?
I took the Jamis out this morning and it didn't happen. It has bar end shifters. I just got done taking up one turn on the Roubaix, which may be to much, but I'll know if I'm going in the right direction. a I did the Look earlier so I should be set. I'll take the Look out tomorrow and see what happens.. I did grease the cables as well.
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Old 03-25-10, 09:33 PM   #25
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I'm 220 pounds, when I stand on the crank not only does the frame flex, it groans and says sit down.
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