Schaltwerk
Rear derailleur currently Shimano Deore XT (swapped from original XTR)
Bremsen
Shimano XTR disc brakes — strong and reliable, occasional slight squeak
Reifen
Schwalbe Rocket Ron Evo Super Ground (newer, good tread)
Sattel
Selle San Marco Aspide Power (upgraded from original)
Vorbau
Ritchey WCS Carbon stem & bar
Lenker
Ritchey WCS Carbon stem and bar
Kassette
Chainrings/cassette replaced multiple times over the years