Join Date: Jul 2007
Location: Newtown, PA
Bikes: LL Bean Pathfinder mountain bike
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
OK, all clean. In an attempt to save money I used some black lithium grease instead of official ball bearing grease, despite a forum warning against it. The wheel spins silently alone, but when I put it back on, I noticed another problem.
It seems as though this grinding sound was only one sound out of the chorus of noises I had noticed while I was riding. The other one is also in the rear wheel, but has nothing to do with the ball bearings, oddly enough.
It is a clacking sound that can only be heard when pedaling. Spinning the wheel forwards does not produce the noise. Spinning the pedals backwards doesn't either. I can only hear it when the pedals are powering the wheel. It is not the derailer, as I would have thought and the clacking increases when I put pressure on the pedals (going up hills, standing, accelerating). It is not hitting anything that I can see, yet the noise is clearly coming from the center of the rear wheel.
It is difficult to describe this, but I am going to see a friend who knows a lot about bikes tonight; maybe he can take a look at it.