Shimano 105 Di2 FD-R7150 Front Derailleur – SPARES OR REPAIRS (Internal Gear Stripped). Up for sale is aShimano 105 Di2 FD-R7150 (2x12-speed) front derailleur, sold strictly forspares or repairs. The Cause: This unit failed purely due to high-torque internal stress after being run inFull Synchro-Shift mode.
