My Mechanic
SHIMANO XTR FD-M971 MTB Front Derailleur Down Swing 31.8-34.9 mm
SHIMANO XTR FD-M971 Front MTB Derailleur Down Swing 31.8-34.9 mm. Top and down cable pull. Maintains a very good spring tension and allows a precise and rapid descent of the chain on the lower plate.
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