Skill at 0 does not train

[Arjan31]

Hi,

I have a rider with downhill skill at 0.
He is in my team for weeks, but the downhill skill does not increase like the rest of the skills.
I have not trained downhill.
The rider is:

Vincent Maalderink
Division 3f
Position 48
Points 476

lebhayisikili

Vincent Maalderink   Age : 19   Wage : 842
Stamina : 68   Sprint : 8   Climbing : 58
Flat : 65   Cobblestone : 14   Technique : 41
Downhill : 0   Hills : 70   Aggressiveness : 40
Time Trial : 69   Teamwork : 15   Experience : 2
Price :   Days left :   Stages raced : 9

greetz,
Lebhayisikili

[oscacom]

He trains normally. Actually 0,858 downhill. Before last training 0,838; 2 sessions ago 0,818, it works fine.