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Front shifter for "shimano GS 100" Replacement

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Front shifter for "shimano GS 100" Replacement

Old 04-11-12, 11:13 AM
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Front shifter for "shimano GS 100" Replacement

Unfortunately ,My front shifter is was broke down and I need to change it,
The brand is Shimano GS 100 , I have to replace it with another brand or with the same brand. I couldn't find "Shimano GS 100".
Please let me know which brand is compatible with "Shimano GS 100 Front Shifter".
And I can Replace it.I live In Vancouver in Canada.
My Bike is "KHS Trail".
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Old 04-11-12, 12:21 PM
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I assume this is an old bike? The GS 100 shifter was an entry level thumb shifter probably 7 speed? You should be able to use any Shimano or shimano compatable shifter designed to shift the same number of speeds (gears on your rear wheel). I believe the GS100 was discontinued in the mid 1990's.
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Old 04-11-12, 02:11 PM
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First off, what do you mean by "broke"? I've revived many GS style shifters by flushing with WD40 or penetrating oil. The lube in them gets gummed up and won't allow the pawls to engage where they should inside the shifter. If this is the issue (typical symptom is that pushing the lever moves the derailluer but doesn't click into place and returns back when released), you can probably bring it back to life. If not, as noted above, it is pretty easy to find a suitable replacement.
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