Grinding noise from chain.

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snoopsu

New Member
https://puu.sh/zP9ec/7feb7ab690.mp4
Just put this new chain on, hopped on and this is the sound it makes when i pedal it/put pressure on. Doesn't make the grinding noise when i just roll. Chain line is fine, rear cog pretty worn. Any ideas of what it could be? Old chain seems to be fine without any noises.
 

palinurus

Velo, boulot, dodo
Location
Watford
Sounds like it might be due to mismatched wear patterns. The old cog, and to some extent the chainring, have worn to match the 'stretch' on the old chain and so the new one perhaps doesn't mesh quite as well.

Try a new cog and see if that does it.
 
OP
OP
S

snoopsu

New Member
Sounds like it might be due to mismatched wear patterns. The old cog, and to some extent the chainring, have worn to match the 'stretch' on the old chain and so the new one perhaps doesn't mesh quite as well.

Try a new cog and see if that does it.

thanks for the response!
 
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