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Discussion Starter · #1 ·
I have just aquired a Precision Billet "proshift" rear derailleur (new with directions). I have spent over an hour getting this thing to shift properly. The cassette and chain are also new.

My XTR takes 10 minutes to setup. What am I doing wrong or are these derailleurs just poor shifters? Is that why they went out of business?

Any help is appreciated. Thanks.
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