Shimano Ultegra RD-R8000-GS Rear Derailleur - 11 Speed Medium Cage Black ModelNumber=33530 Chainline/Hub Compatibility 141/148 Boost Hubs

Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Green Direct Mount Type Direct Mount CINCH Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 32

}SRAM/Truvativ PressFit GXP BB121 PF41 Bottom Bracket for Fat Bike

Defined Color Black Drivetrain Speeds 11 Fits Brand Shimano Fits Model Dura-Ace 9100 Fits Model Dura-Ace R9150 Fits Model Ultegra R8000-SS Fits Model Ultegra R8050-SS/GS Largest Cog 32 Shifter/Derailleur Compatibility Shimano keyword search OSPWS Aero

Ritchey Comp 2-Bolt post is compatible with multiple rail types and features and extra secure 2-bolt clamp

Cleat plate mounts to standard two-bolt SPD style shoes

Shimano Ultegra RD-R8000-GS Rear Derailleur - 11 Speed Medium Cage Black ModelNumber=33530 Chainline/Hub Compatibility 141/148 Boost HubsShimano Ultegra RD R8000 GS Rear Derailleur 11 Speed Medium Cage Black. Shimano Ultegra RD R8000 Rear Derailleur TECH SPECS Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility Shimano Road Cage Length Medium Drivetrain Speeds 11 Weight 210 Color Black Chain Wrap Capacity (teeth) 39 Largest Cog 34