SHIMANO GRX RX825 Di2 front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17T gear range, it utilizes a +2.5 mm chain line for improved tire clearance. The FD-RX825 is compatible with Full or Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization.
Wider tire clearance, the chain line +2.5mm vs. conventional road FD