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-   -   Crank Sounds (https://www.bikeforums.net/bicycle-mechanics/51962-crank-sounds.html)

Bartic 05-11-04 06:02 PM
Crank Sounds
 
Hey just bought a new bike and now within the last week a sort of scraping and grinding can be heard from my cranks. I can also feel the vibriations in my feet. Also when you chuck the crank in reverse you can see the chain wheels wobble, they are not bent but still wobble. Any idea what this could be?

RobotSonic 05-11-04 06:39 PM
make sure the chainring bolts are secure.

Bartic 05-11-04 07:18 PM
ya everythings tightened up thats the first thing i checked

supcom 05-11-04 07:46 PM
Originally Posted by Bartic
Hey just bought a new bike and now within the last week a sort of scraping and grinding can be heard from my cranks. I can also feel the vibriations in my feet. Also when you chuck the crank in reverse you can see the chain wheels wobble, they are not bent but still wobble. Any idea what this could be?
Sounds like it's a warrantee repair for the LBS where you got the bike. Take it back to them and let them deal with it.

Wingman115 05-11-04 10:31 PM
Originally Posted by supcom
Sounds like it's a warrantee repair for the LBS where you got the bike. Take it back to them and let them deal with it.
Bottom bracket might be loose? If its a new bike take it back to the lbs..


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