NEW Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-01-31 while the central cut-out (Open-Fit)

while the central cut-out (Open-Fit) has been designed to find the meeting point between maximum relief of the perineal area and shell durability

No worries

Steel inner ring

Sweet and Spicy Currys

The Crossbar Substitute works as a top tube with non-traditional style frame designs for easier rack mounting

NEW Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-01-31 while the central cut-out (Open-Fit)The Shimano Dura Ace RD R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11 28 to 11 34, offering exceptional versatility. Ultra fast rear Di2 shifting Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket: 34t CFRP rear derailleur plate LED