How to install:

1) Put the OfficialRelease.cdb in: 
Documents\Pro Cycling Manager 2018\Mod\Default
(Please make a backup of the old one!!!)

2) Put the folders 19ine, 19efd, 19fdj in: 
SteamLibrary\steamapps\common\Pro Cycling Manager 2018\3D\Cyclists\Cloth\Team\

3) Put 19ine_minimaillot and 19efd_minimaillot in:
SteamLibrary\steamapps\common\Pro Cycling Manager 2018\Gui\team_shirt

Enjoy