Perfect for: R7100 R8100 R9200 crankset. 1 x chainring, 4 oridnary aluminum bolts. This link chainring is for 1X,not for 2X double. Speeds: 9 10 11 12 speed for both Sram and Shimano system. compatible with Dura-Ace R9100, Ultegra R8000, 105 R7000, 9000, Tiagra 4700, FC 5800 6800.
