7 Speed Downtube Shifter Function
07-03-20, 12:13 PM
#1
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7 Speed Downtube Shifter Function
So I have a set of Shimano 600 7 speed downtube shifters. Left friction side works well. I cannot get the right side to index. They grey ring on the right side was moving with the shift lever. So I cleaned and soaked it in cleaner for a while. Now I can get them to move independently but still no indexing. It just kind of unscrews itself. Am I missing any pieces?
07-03-20, 02:46 PM
#2
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I don't have a 600 SIS lever to look at, but IIRC Dura-Ace SIS downtube levers are very similar (I know the indexing unit interchanges with 600). Here's what the Dura-Ace lever looks like:
07-04-20, 05:40 AM
#3
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Check to see if the six tabs on the indexing pod have broken off. Very typical for them to break off one by one over the years; when they are gone the shifter will not index.
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