Shimano Di2 electric 105 R7170 Di2 groupset fully hydraulic 12 speed New in other conditions 35 km done ST shifters R7170 Rear derailleur R7150 Front derailleur R7150 Crank arm R7100 Disc 165 50-34T Blades R7170 Shimano BATTERY BT DN300 ROTORS Shimano SM-RT70 105 cassette Cs HG710 12 speed chain Shimano very clean Power meter ultegra 170 stage
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