Sprockets and chain, September 2009

Rear sprocket:

Front sprocket:

The rear sprocket was worn more on one side than the other. Metal on one side had folded over more and the corner on that side was worn down more:

By comparison, the other side of the sprocket was relatively square:

In addition, the o-rings on the chain were missing and damaged on one side of the chain, whereas the other side of the chain's o-rings were intact. Some rollers are damaged and missing as well:

Closeup of a couple damaged o-rings:

Copyright (c) 2009 Paul Miner <$firstname.$lastname@gmail.com>