Say goodbye to cables! The latest generation of Shimano's 105 drivetrain is state-of-the-art, with the addition of the Di2 electronic shifting system. Now more affordable than ever, this technology offers total control and unmatched reliability in all conditions.
With the push of a button, the rear derailleur shifts in the blink of an eye thanks to its high-performance motor and optimized linkage structure. Whether you're sprinting or climbing a steep hill, no matter how hard you push it, it immediately shifts.
It's also the center of the Di2 system, where you'll find the charge port, LED indicators, adjustment switches and more, all integrated into a compact, drop-proof package. Plus, you can configure its behavior, such as shifting speed and number of sprockets changed, using the E-Tube Project app.
Specifications
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