Hi knowledgeable folks. I've got a bit of intermittent shifting going on with the rear mech. crash, clunk noises as sprockets are nearly engaged and not engaged. It isn't the adjustment on the cable. But I'm wondering if there should be any play, side to side on the bolt which holds the rear mech to the hanger. I know it should rotate about the obvious axis but should it have any movement side to side? ie in the direction things move when changing up or down. Hope my poor description is understandable.
TIA
An interesting thread for me right now. I've had increasing difficulty getting clean shifting on the large sprockets in the last couple of months. I suspected hanger alignment so I straightened that up as best I could and the problem went away for a while, then returned. I then noticed that there was considerable sideways play at the main pivot bolt that screws into the hanger, even when fully tightened.
I've now replaced said derailleur with another one I had, and now there is no play and the shifting is crisp again across all the sprockets.
The problem derailleur (Shimano 105 10 speed) had done about 25 to 30 thousand miles. I don't know if the looseness at the pivot bolt was due to wear and tear, or from a knock at some time (I've had the occasional off). Also don't know if it's saveable, or just for the bin.
