Shimano brings its legendary Di2 electronic shifting technology within reach with the 105 R7170 12spd Di2 Road Groupset a complete drivetrain and braking package built for riders who refuse to compromise on performanceAt the heart of the groupset sit the STR7170 shift levers which send instant electronic signals to the FCR7100 front derailleur and RDR7150 rear derailleur for precise effortless gear changes every single time Paired with the FCR7100 crank and the CSR7101 12speed cassette the drivetrain delivers a wide smooth gear range that keeps riders turning efficient cadences across any gradientStopping power comes courtesy of the BRR7170 hydraulic disc brake calipers working in tandem with the SMRT70 rotors for consistent controlled braking in all conditions Whether roads are dry wet or somewhere in between riders can trust the system to respond predictably and with confidenceRounding out the package the CNM6100 chain ties the entire drivetrain together offering durable lowfriction performance that holds up under sustained road useThe Shimano 105 R7170 12spd Di2 Road Groupset brings professionallevel electronic shifting and hydraulic braking into one cohesive reliable package For riders ready to step into the world of Di2 few choices make more senseFeatures 2x Shimano BRR7170 Calipers 2x Shimano SMRT70 Rotors Shimano 105 Right and Left STR7170 Levers Shimano 105 FCR7100 Crank Shimano 105 FRR7150 Front Derailleur Shimano 105 RDR7150 Rear Derailleur Shimano 105 CSR7101 Cassette Shimano CNM6100 Chain Shimano EWEC300 Di2 Charger Cable Shimano BTDN300 Di2 Battery Shimano SD300 Di2 Cabling Shimano SMBB9000

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