To adjust the front derailleur on your mountain bike for optimal performance, start by shifting the chain to the smallest chainring and loosen the cable tension. Then, adjust the height and angle of the derailleur so that it is parallel to the chainrings. Next, adjust the limit screws to ensure the chain moves smoothly between chainrings without rubbing. Finally, tighten the cable tension and test the shifting to make sure it is smooth and precise.
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