Parts

CS-R8000 lock ring and spacer is product number 1 in the attached imageGenuine Shimano replacement part..

Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changesHyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wearWide ..

CS-R8100 lock ring and washer is product number 1 in the attached imageGenuine Shimano replacement part..

CS-R8100 spacer B is product number 12 in the attached imageGenuine Shimano replacement part..

Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changesHyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wearWide gear..

Super lightweight 11-speed HG-EV cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changesHyperglide EV sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose rat..

CS-R9100 Lock Ring is product number 1 in the attached imageGenuine Shimano replacement part..

CS-R9100 Sprocket Spacer, 2.18 mm is product number 11 in the attached imageGenuine Shimano replacement part..

Super lightweight 12speed HG+ cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changesHyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio ge..

CS-R9200 lock ring and washer is product number 1 in the attached imageGenuine Shimano replacement part..

CS-R9200 low spacer is product number 13 in the attached imageGenuine Shimano replacement part..