Shimano GRX FD RX815 Di2 front mech, 11 speed double, braze on

Desviador Doble Di2 compatibility gives mechanics a focused service option for restoring original Shimano performance Robust construction handles repeated chain movement, vibration and load changes across varied riding conditions Clean assembly design reduces workshop time, helping keep repairs consistent and easy to verify after installation FD-RX815 derailleur fitment supports stable chain guidance, accurate indexing and dependable drivetrain repair work Precision shaped parts help preserve shifting quality when replacing worn, bent or damaged components