Join Date: Apr 2006
Location: New England
Bikes: 2008 Trek Fuel EX8
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My rear cog is very rough when going backwards
Sorry, I forget the terminology. But the rear cog (on the rear tire) is rough. You know how you can spin it backwards, and it clicks? As if you were riding along with the pedals not moving? Well, when I do this, the rear cog will 'grab.'
I took the tire off and I spin the rear cog backwards to make the clicking noise and it is exceptionally rough. This is happening to the point where it will move the rear derailler because there is too much friction for the rear cog to stay motionless while the bike is going forward.
The inner piece that the bolt goes through to hold the bike tire onto the frame moves like a charm and is fine. But when I try to move the cog itself, I feel roughness.
Is there any way I can clean this? I am feeling that maybe I need to lube it up. The bike has been used but not cleaned as much as I'd like and I am thinking it is a little dirty in there, or maybe it just needs lube.
I thought I'd ask before I start trying to take things apart.