Installation guide: Di2 wired shift levers
Learn how to install Di2 drop bar levers commonly used on Di2 road bikes or Di2 gravel bikes. I'll walk you through the process and give you some useful tips.
Hydraulic Disc Brake Dual Control Lever
DURA-ACE ST-R9170
The ST-R9170 Hydraulic Disc Brake levers have two e-Tube ports each and weigh about 160g per lever.
They do not feature the dedicated sprint shifter port, so using the SW-R610 sprint shifters is not possible.
If you really want sprint shifters then the SW-R9150 sprint shifter is the alternative. These shifters are a bit bulkier than the older sprint shifters, unfortunately.
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Just like the ST-9070, ST-R8050, ST-R8070, ST-R9150 and GRX levers, these ST-R9170s have a hidden button on top of the hoods.
I wrote an article on setting up the Di2 shifter hood buttons, so have a look if you haven't set yours up yet.
Specifications
- Model code: ST-R9170
- Series: DURA-ACE (R9150)
- Weight: 160g (per shifter)
- Speeds: 10 / 11
- Number of switches: 3
- SD50 ports: 2
- Satellite Shifter ports: 0
- Servo wave: No
- Free stroke adjust: Yes
- Reach adjust: Yes
- Brake type: Disc
Related components
View all componentsRelated pages
Change button setup - enable buttons on Di2 shifter hoods
Modern Di2 shift levers have buttons on top of the hoods, but unless you're on 12-speed Di2, their default function only works with a wireless unit or d-fly. Learn how to set these buttons to shift derailleurs.
Change your Di2 lever free stroke and reach
Do you have small hands? Or extra large hands? Read this page to figure out how to change your Shimano Di2 shift lever (or shifter) reach.
Manuals & other documents
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