Shimano CS-R8100 CASSETTE 11-30 ULTEGRA 12-SPEED 2023 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Shimano CS-R8100 CASSETTE 11-30 ULTEGRA 12-SPEED 2023 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...