Shimano Ultegra Di2 RD-R8050-SS Rear Derailleur - 11 Speed Short Cage Black CheckoutSpec= 10x1x187mm Solid }Wolf Tooth Headset Spacer Kit

}Wolf Tooth Headset Spacer Kit 3 510 15mm Red

5 Modes: Steady low (6 hours) Steady medium (3 hours) Steady high (1

Color Gray Range 11-28 Cassette Cogs 11-12-13-15-17-19-21-24-28 Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds 9 Weight 282 Defined Color Gold

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Shimano Ultegra Di2 RD-R8050-SS Rear Derailleur - 11 Speed Short Cage Black CheckoutSpec= 10x1x187mm Solid }Wolf Tooth Headset Spacer KitShimano Ultegra Di2 RD R8050 SS Rear Derailleur 11 Speed Short Cage Black. The Shimano Ultegra R8050 11 speed rear derailleur focuses on stress free operation in order to provide all day riding comfort with braking and shifting. TECH SPECS Largest Cog 28 Color Black Rear Der Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 11 Weight 242 Chain Wrap