9 pieces (SRAM XX1 Eagle 12-Speed Trigger Shifter with Discrete Clamp, Black with Gold Logo, XX1 Eagle Boost crankset, SRAM Level Ultimate Disc Brake Front 900mm Hose with Ti Hardware Black, Rotor/Bracket Sold Separately, SRAM Level Ultimate Disc Brake Rear 1800mm Hose with Ti Hardware Black, Rotor/Bracket Sold Separately, XG-1299 Eagle, 10-50 12 Speed Cassette Gold, PC-XX1 Eagle Hollow-Pin chain, Sram XX front derailleur and XX1 Eagle 12-Speed Type 3 Rear Derailleur). Needed Items: Bottom Bracket