Double down swing front derailleur Shimano GRX FD-RX815-F Di2 spec. [Size 17T]

• ・Larger spacing for tire clearance
• "Chain line +2.5 mm compared to a conventional road front derailleur
• ・Wider development range at the front
• "Front possibility: 17T

Features

The SHIMANO GRX RX815 DI2 front derailleur provides smooth front shifting and rapide, even under high pedaling torque. It is designed to accommodate a 17T gap between the two chainrings, and features a chain guide compensation system in relation to the chain position and can be used in either SHIMANO SYNCHRONIZED-SHIFT or semi-synchronized mode.