Originally Posted by
Meek
On a rear derailleur which is the inner cage and which is the outer cage? Unfortunately I can make a case for both. I bent the one that is closest to the spokes when installed. Thanks for your help.
That would be the inner, it's the one that is threaded for the bolts.
Shimano? just buy a whole new RD, spare parts otherwise will be hard to find, (cost to distribute small parts is high)
Other than cannibalizing another of the same, found in a bin, say at the LBS,
but it may have suffered the same kind of damage...
