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Shimano Dura Ace Di2 R9150 2x11 Speed 170mm 172.5mm 175mm 50-34T 52-36T 53-39T Road Bike Bicycle Electronic Groupset Kit - AliExpress
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Amazon.com : Shimano Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed, Short Cage, Black : Sports & Outdoors
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Amazon.com: Shimano ST-R9150 Left and Right Lever Set (Di2) Included/Brake Cable ISTR9150PA : Sports & Outdoors
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