I was going to try mine this weekend, but I worked on my and wife's bikes instead. I'll take pics and give general impressions after I'm done.. However, on mine, I have a lot of play caused by something worn / broke, so it may be different. If yours is tight, I think you can just unhook the shifter linkage, pop out the old shifter, pop in the new one.. I heard about 30 mins to do.
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