Dérailleur arrière
Rear derailleur currently Shimano Deore XT (swapped from original XTR)
Freins
Shimano XTR disc brakes — strong and reliable, occasional slight squeak
Pneus
Schwalbe Rocket Ron Evo Super Ground (newer, good tread)
Selle
Selle San Marco Aspide Power (upgraded from original)
Potence
Ritchey WCS Carbon stem & bar
Guidon
Ritchey WCS Carbon stem and bar
Cassette
Chainrings/cassette replaced multiple times over the years