NEW Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black direct-mount-type_direct-mount-sram The center section is aero

The center section is aero bar compatible

offering a more natural hand position without affecting reach or requiring the need to change your stem length

Suggested for road and commuter use

32T Shimano Deore

NEW Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black direct-mount-type_direct-mount-sram The center section is aeroThe Shimano Ultegra R8050 11 speed rear derailleur focuses on stress free operation in order to provide all day riding comfort with braking and shifting. Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Derailleur Mount Type: 10x1 Standard Rear Der Shifter Compatibility: Shimano Road Di2 Cage Length: Medium Drivetrain Speeds: 11 Weight: 242 Color: Black keyword search: GM24855V Chain Wrap Capacity (teeth): 39 Largest Cog: 34