Re: Shimano Deore Rear Derailer Problem

P Neuberger wrote:
"P Neuberger" <pjneuberger_rem_@xxxxxxx> wrote in message news:6Bv_i.2777$gd3.1239@xxxxxxxxxxxxxxx
(stuff deleted) I assume that it simply needs to be readjusted. It seems like this is something that would require a change to the limit stop screws. I'll try to dig into this over the weekend.

I know I could take it to a shop but this is not really my "go to" bike. I bought it to learn how to do better maintenance without screwing up my main ride.

Any advice?


I took a cursory look at this problem yesterday. I can change the cable adjustment to make the shifter work on the high gears or adjust cable back to hot the low gears. The rear derailleur just doesn't have the range to hit all eight gears. Changing the limit screw adjusters does not seem to help this.
Could the problem be in the shift levers?


So it shifts between the four smaller cogs (the outer ones) but will not get up to the larger ones?

Try loosening the cable all the way (by shifting). It should be on the smallest cog. Then, with the rear tire supported and with you pedaling by hand, see if you can use your hand to move the derailluer the full range. What I mean by that is, shift it using your hand instead of the shifter/cable. That should tell you if it's the shifter or the derailleur

Is it one of those "rapid rise" (or whatever they're called) derailleurs where it wants to shift to the larger cogs when the cable is loosened?

.

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