SHIMANO Di2 105 R7170 Electric Groupset Hydraulic Disc Brake 2x12s Road Bicycle R7150 Front Rear Derailleur R7170 Shifter Brake R7100 Crankset Cassette EC300 SD300 Charging Cable DN300 Bicycle Kit

Note: Please note the optionsIf you need a full groupset, please purchase R7100 4pcs Groupset+Electronic Part 1+ Electronic Part 2 （Buy three options together）R7100 4pcs Groupset include：-1 PCS R7100 Crankset 170MM 50-34T (If you need other sizes, please leave a message)-1 PCS BBR60 Bottom Bracket-1 PCS R7100 Casasette 11-34T- 1 PCS CN-M7100 chainElectronic Part 1 include：-1 PCS RD-R7150 Rear Derailleur- 1 PCS FD-R7150 Front Derailleur- 1 PCS Di2 BT-DN300 Battery-1 PCS Di2 Battery Charging Cable EW-EC300-1 PCS TL-EW300 Tool- 1 PCS Di2 Battery Charging Cable SD300 800mm1 1200mm1Electronic Part 2 include：-1 Pair ST-R7170+BR-R7170 K05SModel: FC-R7100Threaded bottom bracket width (mm)_70 ✔Sprocket combination: 50-34T Crank arm length (mm)_170 ✔Sprocket Retaining Arms/Crank Dogs: 4Model: FD-R7150Operation_Swing type ✔Front derailleurs: 2Rear gear: 12SD300 port (pcs) 1Model: RD-R7150Total gear change range: 41TLow sprocket_maximum teeth: 36TLow sprocket_minimum tooth: 34TGuide wheel_tooth combination: 11High standard spring type_SHIMANO SHADOW RD ✔Rear gear: 12Charging cable: EW-EC300Model: CS-R7101-12Combination name: 11-34TType: HGRear gear: 12Model: BR-R7170Average weight: 123Brake type: hydraulic disc brakeMount type: flat mountPistons: 2Recommended Brake Lever: ST-R7170Brake Pad:L05A brake padRecommended disc brake rotors: SM-RT70 SM-RT64Model: ST-R7170-L+RBrake Lever_Clamp Ring (mm):23.8 - 24.2Shift lever type: DUAL CONTROL LEVER (dual control lever)