{"id":8839778304277,"title":"Shimano 105 R7170 Di2 12 Speed Hydraulic Shifter","handle":"shimano-105-r7170-di2-12-speed-hydraulic-shifter","description":"

Featuring industry-leading functions and technologies inherited from the Dura-Ace and Ultegra series, this shift/brake lever brings electronic wireless Di2 shifting to a new set of riders. Representing the pinnacle of years of research and development, Shimano 105 Di2 delivers sophisticated ergonomics, 105-optimised gear combinations and an exceptional brake system. For those who have only experienced mechanical shifting and ergonomics, this model marks a new era of affordable performance.

Shimano 105 Di2 Dual Control 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.

Reach Adjust

This model’s brake lever is equipped with a Reach Adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.

E-Tube Project

Shimano’s genuine application E-Tube Project Cyclist allows you to customise your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get the more detailed bike maintenance by connecting to your bike by wire with E-Tube Project Professional application.

Dual Control Lever

DCL stands for Dual Control Lever. It has brake and shifting functions in the system and enables easy operation. Ergonomic innovation is probably more critical to the higher standard performance than the added gearing. The shift internals borrow the robustness from Shimano’s MTB technology and are so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of Shimano Total Integration, and simply has to be experienced to be understood.

Technologies:

Clean Cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast.
Longer lasting: Uses two CR1632 batteries (battery life: 3.5 to 4 years).
Compact, ergonomic performance cascaded from Dura-Ace.
Raised hood peak improves ergonomics, while a longer hood body increases hand support.
Make Dura-Ace yours with custom button function and adjustable ergonomics.
Easily change button function with the E-Tube app.
Find your optimum lever position with simple reach adjust.

Manufacturer’s Part Numbers:

STR7170L Black Left Hand
STR7170R Black Right Hand

Shifter Type: Dual Control Lever (DCL)
Use: Road
Speed: 12 speed
Di2 Connectivity: Wireless Di2 shifting; Battery Type: CR1632 x 2
Recommended Brake Caliper: BR-R7170 (available separately)
Brake Lever Clamp Band: 23.8 - 24.2mm
Firmware Update by E-Tube Project: Yes
Mineral Oil: Shimano Mineral Oil
Adjustments: Reach Adjust, Free Stroke Adjust, Funnel Bleeding
Single or Pair: Single, sold individually

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