Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x Brand_iSSi Includes pre-assembled MIK adapter plate

Includes pre-assembled MIK adapter plate and MIK-Stick

}Shimano 105 5800-S 50t 110mm 11-Speed Chainring For 50/34t Silver

Extension Rise: 58mm

}Full Speed Ahead Orbit UF 1-1/8" Threadless Headset Black

Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x Brand_iSSi Includes pre-assembled MIK adapter plateShimano GRX RD RX817 Rear Derailleur 11 Speed Long Cage Black With Clutch Di2 For 1x. GRX RD RX815 Di2 Rear DerailleurOperates with Shimano Di2 for digital electronic shifting Gravel tuned clutch tension provides smooth and reliable mixed surface shifting TECH SPECS Largest Cog 42 Color Black Rear Der Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 11 Weight 318 Chain Wrap Capacity (teeth)