5 pieces (SRAM XX1 Eagle 12-Speed Trigger Shifter with Discrete Clamp, Black/Gold, XX1 Eagle Carbon DUB 148 DUB 170 or 175mm Direct Mount 34t X-Sync Crankset, Black/Gold, XG-1299 Eagle, Gold, 10-50 12 Speed Cassette, Gold, PC-XX1 Eagle Hollow-Pin chain, Gold, and XX1 Eagle 12-Speed Type 3 Rear Derailleur, Black/Gold). Needed Items: Bottom Bracket