Shimano Dura Ace Di2 7970 10 Speed Drivetrain: Battery - Wiring - Shifters - Derailleurs - Top bar/TT Buttons - Bike Recyclery
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Amazon.com : Shimano FD7970F (7970) Dura-Ace DI2 10 Spd Front Derailleur Braze-On : Front Bike Derailleurs : Sports & Outdoors
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