Shimano GRX 815 Di2 Front Derailleur

Shimano GRX 815 Di2 Front Derailleur Bringing the proven precision and reliability of Shimano electronic technology to your gravel or adventure bike setup, the GRX 815 Di2 Front Derailleur will deliver crisp and fast gear shifts to move your chain smoothly between the inner and outer chainrings at the push of a button. Whether riding with a tight chain up a steep gradient or descending a fast gravel road, the gear shifting remains predictable and consistent. Use Shimano's E-TUBE platform to wirelessly check that the system is performing as it should and even customise the setup with a PC, tablet or smartphone. You can check for firmware updates, diagnose errors and ensure that you are on top of maintenance so that every time you start a new adventure your drivetrain is in the best condition, ready to tackle anything.