The Shimano GRX RX825 Di2 derailleur delivers fast and precise shifting even under heavy loads. Compatible with Full or Semi synchronised shifting mode as well as the new FRONT SHIFT NEXT function. Greater tire-to-frame clearance: +2.5mm chainline versus road slipper. 17 teeth.
Type: GRAVEL, Total package weight: 328g, 12 speed, Double derailleur, Mounting type: Winch mount, Black, Material: Aluminum/Steel
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