Shimano, 105 CS-R7000, Cassette, Speed: 11, 11-28T

The 3 largest cogs are riveted on an aluminum spider
Nickel plated finish
Steel lockring
12-25, 11-28 and 11-30 are compatible with SS rear derailleur
11-32 requires GS rear derailleur
Weight: from 269g (12-25) to 320g (11-32)