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Join Date: Mar 2007
Location: SF Bay Area, East bay
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Bikes: Miyata 618 GT, Marinoni, Kestral 200 2002 Trek 5200, KHS Flite, Koga Miyata, Schwinn Spitfire 5, Mondia Special, Univega Alpina, Miyata team Ti, Santa Cruz Highball
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I picked up a box of used and damaged sti's at a swap from a retired team mechanic. As others mentioned, the 7700 is the best of the bunch. Shimano should have used steel faceplates on all their levers. The 600s are the easiest to service. Not sure why, but the 6500 series pawls seem to gum up more often. Of the broken 7700s, it is more common to see the cable head stop split open, maybe from trying to shift through a jammed derailleur?