Bike Forums - View Single Post - Manufacturers Defect or Symptom of Progressive damage?

07-21-06, 08:13 PM

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Severian

META

Join Date: Aug 2005

Location: Madison, WI

Posts: 945

Bikes: Gary Fisher Aquila (retired), Specialized Allez Sport (in parts), Cannondale R500, HP Velotechnic Street Machine, Dented Blue Fixed Gear (retired), Seven Tsunami SSFG, Specialized Stumpjumper Comp Hardtail (alloy version)

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Manufacturers Defect or Symptom of Progressive damage?

So the cog stack on my fiance's bike does something really wierd... it wobbles. Most noticeably when the bike is coasting. We're talkin' 2-3 mm of wobble.

What I've been told by some LBSs is that this is an artifact of poor manufacture on the part of the manufacturer.

Is this true?

Or is this something that I can fix? And how?

now this is not just a minor thing. when she leaves an intersection, for example, and REALLY needs to pick up the pedals and hoof it (and therefore putting ALOT of force onto her pedals) her chain will rythmically skip. now... my theory is that this is caused by the cog-stack wobble.

Thoughts?

Thanks

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