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Shimano Dura-ace Da R9100 Groupset Road Bike Derailleur Groupset Components Racing Bicycle Derailleurs - Bicycle Derailleur - AliExpress
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SHIMANO R9150 Di2 Groupset DURA-ACE R9100 9070 Di2 Derailleurs ROAD Bicycle 50-34 52-36 53-39T 165 170 172.5 175MM 11-28 11-30T
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Amazon.com : JGbike ~180g Lightweight 11 Speed Single Piece Cassette for Road Gravel cyclecross Bike, for Shimano Dura Ace Ultegra or SRAM Red Force for Triathlon - The Best Value Cassette Available :
![Detailed First Look! New Shimano Dura-Ace R9100 unveiled, includes a powermeter & disc brakes! - Bikerumor Detailed First Look! New Shimano Dura-Ace R9100 unveiled, includes a powermeter & disc brakes! - Bikerumor](https://bikerumor.com/wp-content/uploads/2016/06/Shimnao_Dura-Ace-R9100_road-component-group_rear-derailleur.jpg)