Brett Shearer
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Yesterday I had a surf ski jump off a rack (see photo) and bumped the derailleur on a friend's bike (perhaps now ex friend...).
This bent the derailleur so much that it touched the spokes when in the bottom gear.
The hanger itself did not look to be bent, and I have previously replaced bent hangers, so am aware of this as a fix.
This means the mechanism of the derailleur itself was bent. All of the electronics were fine, so the majority should not need replacing.
As the pieces appear riveted together it doesn't appear I could repair the derailleur - the only thing we can do is try and bend back into shape as best we can, and then micro adjust for the rest.
We got this working for all but the top gear (12th). Without microadjustment, and without throwing away a $700 AUD component, what is the solution?
This is not an attempt to use a non-genuine component (such as another cassette). It is about making full use of SRAM technology in an imperfect world after relatively minor accidents.
We should not need to throw away expensive electronic components when an easy solution can be made with a firmware update.