Shimano Ultegra 11 Speed Cassette & Chain Bundle - a complete matched component package.
This bundle includes:
Cassette: CS-R8000 Ultegra 11-speed cassette 11 - 28T / CS-R8000 Ultegra 11-speed cassette 11 - 30T / CS-R8000 Ultegra 11-speed cassette 11 - 32T / CS-HG800 11-speed cassette 11 - 34T
Chain: CN-HG701 Ultegra /XT HG-X chain with quick link, 11-speed, 116L, SIL-TEC