Here is a list of upgrades I’ve done on the bike so far .
-Kogel ceramic BB92 – 24 / CROSS
-Kogel ALU PULLEY CERAMIC 10/11SPD CROSS
-Shimano Tiagra 50/34
-New 36-11 Shimano cassette
-replaced the HopePro4 hub
-Muc-Off Sealant
by Constant-Pen4041