FD-RX815 SHIMANO GRX - DI2 - Front Derailleur - Gravel - 2x11-speed 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. Wider tire clearance Chainline +2.5 mm vs. conventional road FD Wider range front gearing 17T front range RD-RX815 SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 34T max low sprocket - 11-speed With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max. Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW RD+ Smooth and reliable mixed surface shifting Switch stabilizer ON/OFF to match the terrain Gravel-tuned clutch tension Compatible with current road DUAL CONTROL LEVER Maximum front difference: 17T Top sprocket: Max. 11T/Min. 11T Low sprocket: Max. 34T/Min. 30T Total capacity: 38T
