Shifting Barrel Adjuster Stuck - replace shifter needed

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Shift lever stuck pointed almost all the way down

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Shifting Barrel Adjuster Stuck - replace shifter needed?

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Shifter assembly replacement

Shifting Barrel Adjuster Stuck - replace shifter needed?

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Gear Shift Doesn't Actually Change Gears. Linkage Problem? Automatic.

Stuck, now broken Shimano 200GS RD barrel adjuster. Do I need to replace it with the same plastic thingy? : r/bikewrench

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