Shimano Ultegra FD-R8050 Di2 11-Speed Front Derailleur hanger #-535 The Riser Crown Race is

The Riser Crown Race is compatible with any 1

Specifically designed for Road / Gravel / CX bike disc rotors fitting 12mm thru-axle and QR

Required bar outer diameter of 23

Small/Medium Defined Color Black Protection Area Elbow/Forearm

Shimano Ultegra FD-R8050 Di2 11-Speed Front Derailleur hanger #-535 The Riser Crown Race isShimano Ultegra FD R8050 Di2 11 Speed Front Derailleur. Ultegra FD R8050 Front DerailleurSystem communication with rear derailleur combined with programmed chainguide control means minimal chance of chain drop Quick and smooth front shifting under high pedaling torque TECH SPECS Double or Triple Double Drivetrain Speeds 11 Derailleur Capacity 16 Front Derailleur Clamp Braze on Front Derailleur Cable Pull Electronic Front Der Shifter Compatibility