Shimano GRX Di2 FD-RX815-F 2x11S braze-on front derailleur
The SHIMANO GRX RX815 DI2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It's designed for a wider, 17T front range and it has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes.
Features
- Chainline +2.5 mm vs. conventional road FD.
- Wider range front gearing.
- 17T front range.
- SEIS Shimano Electronic Intelligent System.
Technical specifications
- Series: GRX DI2.
- Front speeds: 2.
- Rear speeds: 11.
- Compatible chain: LINKGLIDE, HG 11-speed.
- Down swing.
- Mount brazed-on.
- Chain line (mm): 47.
- Chainstay angle (deg.): 61-66.
- Top gear teeth: 46-48T.
- Total capacity: 17T.
- Link bushings: 2.
- Firmware update by E-TUBE PROJECT.
- SD50 port (pcs): 1.
- SD300 port (pcs): 0.
- SD50 connector (pcs): 0.
- SD300 connector (pcs): 0.
Technologies
E-Tube
The E-Tube platform's “Plug & play” and D-Fly wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and Shimano Steps components with a PC, tablet or smart phone.
Benefits & Features
- Wirelessly customize functions like Shimano Synchronized Shift over Bluetooth® while out on a ride.
- Automatically checks for firmware updates on each startup to ensure all components are running the latest version.
- PC, smartphone and tablet applications can help you quickly diagnose errors and simplify the repair process.
- Beautiful visualization of your real-time Shimano Steps riding data on your smartphone.
- Advanced all-weather design resists rusting, stretching, and freezing.