A set of ST-6870 Dual Control levers weighs about 300g for a pair and both of them are equipped with two e-Tube ports and a remote sprinter shifter port.
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These previous generation Di2 levers are suitable for rim brakes and possibly mechanical disc brakes. The brake lever clamp band supports 23.8 - 24.2 mm diameter bars (standard road drops).
These 6870 levers do not have a button on top of the 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.
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.
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.
Below is an overview of all known firmware updates for this component. The changelog texts are Shimano's, and quite often they're a bit cryptic - sorry!
3.1.0
Additional ANT function for D-FLY channel switch setting (cycle computer setting)
3.0.0
Adjust compatibility
2.2.0
Improving usability of data uploading
