105 Di2 R7170 STI Brake/Shift levers. 105 Di2 R7170 Flat Mount Disc Brakes with pre-bled hoses (front + rear). 105 Di2 R7150 Front Derailleur: Braze-On. 105 Di2 R7150 Rear Derailleur. Di2 Wire Set: 600mm + 1200mm.
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