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Shimano Dura-Ace FD-7970 Di2 Front Derailleur SALE
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Front shifting with Di2 is like nothing ever before Fast, powerful and acurate.
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FD-7970 Dura-Ace Di2 Front Derailleur The front derailleur is the “brains” of the system. The integrated ultra-compact CPU not only ensures that shifting is perfect for both the front and rear derailleurs individually, but also by monitoring the position of each, creates a front derailleur that tracks the chain and requires zero manual trim without sacrificing any shifting speed.
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The front derailleur logic also performs the inward shift from the big chainring in two parts to eliminate chain drop, with both actions measured in fractions of a second.
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