Shimano Dura-Ace FD-R9150 Di2 11-Speed Braze-On Front Derailleur

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Shimano Dura-Ace FD-R9150 Di2 11-Speed Braze-On Front Derailleur
Quick and smooth front shifting "under" high pedaling torque
SHIMANO synchronized shift
Maintains compact and smooth appearance
Race endurance for less damage in crush
Ergonomic shifting operation without stress