Or as low as 
Shimano 105 R7170 Di2 Disc Groupset – 12 Speed
The Shiamano 105 brings Di2 shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, Shimano R7170 105 Di2 represents a transformation of the road cycling experience.
Groupset Includes:
- Chainset: Shimano 105 FC-R7100 with a choice of rings and crank lenghts
- Disc Brakes/Gear Levers: Shimano 105 Di2 ST-R7170 Hydraulic disc brakes
- Front Derailleur: Shimano 105 Di2 FD-R7150
- Rear Derailleur: Shimano 105 Di2 RD-R7150
- Cassette: Shimano Shimano 105 CS-R7100 (Choice Of Ratio’s)
- Chain: Shimano – 12 speed
- Bottom Bracket: Shimano (Choice Of Option’s)
- Di2 Parts: Battery, Charging cable and two Di2 cables.
