Shimano 105 R7170 Di2 2×12 Speed Road Groupset – Electronic Shifting

Model: Shimano 105 Di2 R7170 Series. Semi-wireless Di2 system – wireless shifters with wired derailleurs for maximum stability. Front Derailleur: FD-R7150 Di2. Rear Derailleur: RD-R7150 Di2 (12-speed).

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