SRAM - XX1 EAGLE GOLD UPGRADE KIT INCLUDES THE FOLLOWING:
SRAM XG-1299 10-50 GOLD CASSETTE
SRAM PC-XX1 EAGLE GOLD 126 LINK CHAIN
SRAM XX1 EAGLE TRIGGER 12SP BACK SHIFTER
SRAM XX1 EAGLE (R) DER TYPE 3.1 12SP GOLD & BLACK REAR DERAILEUR
( EXCLUDING CRANKSET, BB , BRAKESET & ROTORS )