PowerMeter Shimano 7900 Standard

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Released: 2010

Shimano's development of the Dura-Ace Di2 electronic shifting system makes gear changes faster and virtually eliminates missed shifts. The SRM Shimano 7900 Compatible PowerMeter maintains the smooth look of the 7900 Shimano product line, and allows the use of the coveted 7900 chainrings.

*This product is self verified

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