This hydraulic disc set is a perfect option for riders who want to upgrade their existing setup to wireless or those who want to make the switch from mechanical to electronic shifting for the first time. Offering high-level performance at a more affordable price, this bundle includes 1x ST-R7170 Dual Control Lever (DCL) and 1x BR-R7170 Flat Mount Brake Caliper, so you can experience the magic that Shimano 105 Di2 brings to the cycling industry.
ST-R7170 105 Di2 Double Hydraulic Lever
This Shimano 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Not only does it offer worry-free Di2 shifting in a compact shifter size, but it also features technologies such as Reach Adjust and customised button functions that allow you to dial in your ideal ergonomics.
BR-R7170 105 Flat Mount Brake Caliper
With proven hydraulic braking technology, the Shimano 105 caliper features the Shimano Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance.
Digital Integrated Intelligence
The revolutionary DI2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. DI2 gives you instant, accurate, lightning-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With DI2, you are in complete control.
Shimano 105 Di2 brings electronic wireless shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, Shimano 105 Di2 represents a transformation of the road cycling experience.
Shifter/Brake Type: 2x L/R ST-R7170 Dual Control Lever (DCL)
Caliper Type: 2x L/R BR-R7170 Flat Mount Brake Caliper
Speed: 12 speed
Di2 Connectivity: Wireless Di2 shifting
Battery Type: CR1632 x 2
Brake Lever Clamp Band: 23.8 - 24.2mm
Number of Pistons: 2
Firmware Update by E-Tube Project: Yes
Single or Pair: Single
Brake Levers/Gear Shifters: Shimano 105
Speed: 12 Speed