Shimano Sprocket for Ultegra CS-R8000 / CS-6800 Cassette - 11-speed

Single sprocket or sprocket units for the Ultegra CS-R8000 and CS-68000 11-speed cassettes. Manufacturer's item numbers: 11 teeth for 11-23, 11-25, 11-28, 11-32 teeth Y1Y911000 12 teeth for 11-23, 11-25, 11-28, 11-32 teeth Y1Y912000 12 teeth for 12-25 teeth Y1Y912100 13 teeth for 11-23, 11-25, 11-28, 11-32 teeth Y1Y913000 13 teeth for 12-25 teeth Y1Y913100 14 teeth for 11-23, 11-25, 11-28, 11-32, 12-25 teeth Y1Y914000 14 teeth for 14-28 teeth Y1Y914100 15 teeth for 11-23, 11-25, 11-28, 12-25 teeth Y1Y915000 15 teeth for 14-28 teeth Y1Y915100 16 teeth for 11-23, 11-25, 12-25, 14-28 teeth Y1Y916000 16 teeth for 11-32 teeth Y1Y916100 17 teeth for 11-28 teeth Y1Y917100 17 teeth for 12-25, 14-28 teeth Y1Y917200 18 teeth for 11-32 teeth Y1Y918200 18 teeth for 14-28 teeth Y1Y918300 19 teeth for 14-28 teeth Y1Y919500 17/18 teeth for 11-23 teeth Y1Y998100 17/19 teeth for 11-25 teeth Y1Y998020 19/21 teeth for 11-28 teeth Y1Y998030 20/22 teeth for 11-32 teeth Y1Y998040 18/19 teeth for 12-25 teeth Y1Y998050 20/21 teeth for 14-28 teeth Y1Y998120 19/21/23 teeth for 11-23 teeth Y1Y998110 21/23/25 teeth for 11-25 teeth (CS-R8000 only) Y1WG98030 21/23/25 teeth for 11-25 teeth (CS-6800 only) Y1Y998060 23/25/28 teeth for 11-28 teeth (CS-R8000 only) Y1WG98040 23/25/28 teeth for 11-28 teeth (CS-6800 only) Y1Y998070 24/27/30 teeth for 11-30 teeth Y1WG98050 25/28/32 teeth for 11-32 teeth (CS-R8000 only) Y1WG98060 25/28/32 teeth for 11-32 teeth (CS-6800 only) Y1Y998080 21/23/25 teeth for 12-25 teeth (CS-R8000 only) Y1WG98070 21/23/25 teeth for 12-25 teeth (CS-6800 only) Y1Y998090 23/25/28 teeth for 14-28 teeth (CS-R8000 only) Y1WG98080 23/25/28 teeth for 14-28 teeth (CS-6800 only) Y1Y998130