Shimano Ultegra R8000-SS 11-Speed Short Cage Rear Derailleur Bottom Brackets the tightening mechanism makes sure

the tightening mechanism makes sure your rack only moves when you want it to

exemplifies the desire to explore the world with an expanded definition of cycling on a drop bar bicycle… from paved roads onto gravel

and other road and trail soils without harm to bike surfaces

Openable hood cover

Bleeding Edge technology offers easy and clean bleeds

Shimano Ultegra R8000-SS 11-Speed Short Cage Rear Derailleur Bottom Brackets the tightening mechanism makes sureShimano Ultegra RD R8000 Rear Derailleur Color: Black Largest Cog: 34 Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard Chain Wrap Capacity (teeth): 39 Cage Length: Medium Rear Der Shifter Compatibility: Shimano Road Drivetrain Speeds: 11 Weight: 210