Brand new, never mounted!!!!

These came with a bike kit that I was going to use and now need to sell. These are brand new parts as shown in the pictures. I will sell them as a kit (preferable) or may be open to parting out.

SRAM XX1 Eagle 12 speed Cassette---$419
SRAM XX1 Eagle 12 speed Derailleur--$279
SRAM XX1 Eagle 12 speed Shifter--$159
SRAM Chainring (fits Dub crank) 32T Boost compatible--$30

The lot = $879.0