The usual policy is that all prize money won at the Tour goes into a pot, then is shared equally between the riders and the support staff.
One of those unwritten rules, that we all love so much, is that the winners of jersey competitions, I.e. Yellow, green, polka dot, leave their share in the pot, as they'll get bonuses plus criterium contracts, better contracts, etc.
Froome's salary is circa €3 million, then there's the bonuses, sponsorship and endorsements on top. Being generous to the team who helped him gain those deals is seen as the right thing to do.
The usual policy is that all prize money won at the Tour goes into a pot, then is shared equally between the riders and the support staff.
One of those unwritten rules, that we all love so much, is that the winners of jersey competitions, I.e. Yellow, green, polka dot, leave their share in the pot, as they'll get bonuses plus criterium contracts, better contracts, etc.