With its original ground-breaking electronic Digital Integrated Intelligence (Di2) shifting system launched in 2009, this latest version of Shimano Di2 features critical functional enhancements, including a wireless cockpit and the jump to 12-speed. And it’s all been done without any sacrifice to the fast, precise and reliable shifting riders have come to expect from all Shimano road groups. Changing gears is simple and consistent all the time, every time.
SHIMANO 105 Di2: Wireless where it matters
Shimano 105 Di2 utilizes a hybrid system, featuring a wireless cockpit paired with a wired connection between a single, seat-tube-stored battery and the front and rear derailleurs, ensuring absolute reliability in all conditions. And just like DURA-ACE and ULTEGRA, the Shimano 105 Di2 system is highly customizable using Shimano’s user-friendly E-TUBE PROJECT App on your smartphone.
With E-TUBE PROJECT you can set-up your drivetrain just the way you like it, adjusting shift speed, altering the number of shifts per button actuation, and utilizing the Synchronized and Semi-Synchro shifting functionality.
You can also pair the system with most third-party cycling computers, including Garmin and Wahoo, which allow you to monitor gear selection or battery status.
The Groupset comprises of:
ST-R7170 Shifters
- Wireless Di2 connectivity
- 2x12-speed Dual-Control lever
- Refined hood for improved ergonomics and aerodynamics
- Improved button access
FC-R7100 - HOLLOWTECH II Crank Set - 2x12-speed
- Chainring combination: - 50-34T
- Crank length: 172.5mm
CS-R7100 Cassette - 12-speed - 11-36
- 11-tooth small cog for optimal efficiency
- Optimized “Sweet Spot” Gears for pedalling efficiency
- Compatible with 11-speed freehub bodies
RD-R7150 Rear Derailleur
- SHIMANO SHADOW Rear Derailleur
- Integrated D-FLY connectivity
- 12-speed Di2 technology
- Compatible with 11-34 and 11-36T cassettes
FD-R7150 Front Derailleur
- 12-speed Di2 technology
- Fast, precise front shifting
BR-R7170 Brakes
- More fine-tuned control and heightened braking performance
- 10% wider pad clearance
- Easier bleeding process
SMRT70 Ice Tech Centre-Lock Rotors
- 1 x 160mm - rear
- 1 x 160mm - front
KMC X12 Road Chain with Quick Link
Shimano Battery, Charging Cable and Electric Wires
This groupset comes complete with a Shimano E-Tube SEIS Di2 battery, charging cable and EW-SD300 E-Tube Di2 Electric Wires.
- E-Tube SEIS Di2 Battery, 7.4V Lithium-ion, 3-ports for SD300 wires, internal mount
- EW-EC300 Charging Cable,1700mm
- EW-SD300 E-Tube Di2 Electric Wire, battery to front mech
PLEASE NOTE, THIS GROUPSET DOES NOT CONTAIN:
- Bottom Bracket
- EW-SD300 E-Tube Di2 Electric Wire, battery to rear mech