It is compatible with HG-EV and HG-X11 chains. SERIES - ULTEGRA R8000 Series. Shimano Ultegra 11 Speed Cassette - 11-28T. Shimano Say Shimano Specs Aluminium spider arm|QTY (pcs) - 1. Aluminium gear|QTY (pcs) - 0.
Shimano Ultegra Cassette 11 Speed CS-HG800 11-34t
Shimano Ultegra Cassette 11 Speed CS-R8000 11-32t
SHIMANO Ultegra 6800 11-Speed Rear Derailleur Pulley Set: Version 2
Shimano Ultegra R8000 11-Speed Double Braze-on Front Derailleur
Shimano Ultegra R8020 11-Speed Hydraulic Shifters
