Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutTitle=KMC MissingLink-11 DLC Connector - 11-Speed Color Black Rear Axle QR

Color Black Rear Axle QR x 135mm Cassette Body Type Shimano/SRAM 8 9 10 Speed Cassette Body Type Shimano Dynasys 11 Speed Mountain Bearing Type Loose Ball Spoke Interface J-Bend Defined Color Black Hub Drilling 36 Hub/Brake Compatibility Center-Lock Disc

Size Category Adult Color Black Size M

}Campagnolo Ergopower Maximum Smoothness Shift Cable and Housing Set

}PUSH Industries HyperCoil ELEVENSIX Spring - 200 Series 575lb 55mm Max Stroke

Color Black Rings 34/50 Rings 50/34 Number of Chainrings Double Crank Length (mm) 172

Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutTitle=KMC MissingLink-11 DLC Connector - 11-Speed Color Black Rear Axle QRShimano GRX RD RX717 SGS Di2 Wireless Rear Derailleur 12 Speed Long Cage Shadow ES Black. TECH SPECS Largest Cog 51Rear Der Shifter Compatibility Shimano Road Di2Rear Derailleur Mount Type Shimano Rear Direct MountRear Derailleur Mount Type 10x1 StandardDrivetrain Speeds 12Chain Wrap Capacity (teeth) 41Cage Length LongColor Black